{"id":9669,"date":"2015-07-12T07:10:00","date_gmt":"2015-07-12T11:10:00","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/?p=9669"},"modified":"2015-11-10T08:32:35","modified_gmt":"2015-11-10T13:32:35","slug":"%e0%a6%87%e0%a6%89%e0%a6%a8%e0%a6%bf%e0%a6%95%e0%a7%8d%e0%a6%b8-%e0%a6%95%e0%a7%81%e0%a6%87%e0%a6%95-%e0%a6%97%e0%a6%be%e0%a6%87%e0%a6%a1-unix-quick-guide","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=9669","title":{"rendered":"\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0995\u09c1\u0987\u0995 \u0997\u09be\u0987\u09a1 (Unix &#8211; Quick Guide)"},"content":{"rendered":"<p>\u09b0\u09bf\u09a6\u0993\u09df\u09be\u09a8 \u09ac\u09bf\u09a8 \u09b6\u09be\u09ae\u09c0\u09ae<\/p>\n<p>&nbsp;<\/p>\n<h2>\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0995\u09bf<\/h2>\n<p>\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09bf\u0982 \u09b8\u09bf\u09b8\u09cd\u099f\u09c7\u09ae \u09b9\u09b2 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09c7\u09b0 \u098f\u0995\u099f\u09bf \u09b8\u09c7\u099f \u09af\u09be \u0995\u09ae\u09cd\u09aa\u09bf\u0989\u099f\u09be\u09b0 \u0993 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u0995\u09be\u09b0\u09c0\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09b2\u09bf\u0999\u09cd\u0995 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u0995\u09be\u099c \u0995\u09b0\u09c7\u0964<\/p>\n<ul>\n<li>\u09e7\u09ef\u09ec\u09ef \u09b8\u09be\u09b2\u09c7 \u098f\u099f\u09bf\u098f\u09a8\u09cd\u09a1\u099f\u09bf \u0995\u09b0\u09cd\u09ae\u09c0\u09a6\u09c7\u09b0 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09ac\u09c7\u09b2 \u09b2\u09cd\u09af\u09be\u09ac\u09b0\u09c7\u099f\u09b0\u09bf\u09a4\u09c7 \u09aa\u09cd\u09b0\u09a5\u09ae \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u09a1\u09c7\u09ad\u09c7\u09b2\u09be\u09aa \u0995\u09b0\u09be \u09b9\u09df,<\/li>\n<li>\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8\u09c7\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ad\u09be\u09b0\u09cd\u09b8\u09a8 \u09aa\u09be\u0993\u09df\u09be \u09af\u09be\u09df, Solaris Unix, AIX, HP Unix \u098f\u09ac\u0982 BSD \u09b8\u09b9 \u09b2\u09bf\u09a8\u09be\u0995\u09cd\u09b8\u0993 \u0985\u09a8\u09c7\u0995\u099f\u09be \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8\u09c7\u09b0 \u09ae\u09a4, \u09af\u09c7\u099f\u09bf \u09ab\u09cd\u09b0\u09c0 \u0993\u098f\u09b8\u0964<\/li>\n<li>\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0995\u09ae\u09cd\u09aa\u09bf\u0989\u099f\u09be\u09b0 \u098f\u0995\u09b8\u09be\u09a5\u09c7 \u0995\u09df\u09c7\u0995\u099c\u09a8 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u0995\u09be\u09b0\u09c0 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u09a8\u0964<\/li>\n<li>\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0995\u09ae\u09cd\u09aa\u09bf\u0989\u099f\u09be\u09b0\u09c7 \u098f\u0995\u099c\u09a8 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u0995\u09be\u09b0\u09c0 \u098f\u0995\u09b8\u09be\u09a5\u09c7 \u0995\u09df\u09c7\u0995\u099f\u09bf \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae \u099a\u09be\u09b2\u09c1 \u09b0\u09be\u0996\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u09a8\u0964<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>\u09b2\u0997\u0987\u09a8<\/h2>\n<p><strong>login <\/strong>\u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 \u09a6\u09bf\u09df\u09c7 \u0986\u09ae\u09b0\u09be \u09b8\u09bf\u09b8\u09cd\u099f\u09c7\u09ae\u09c7 \u09b2\u0997\u0987\u09a8 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09bf,<\/p>\n<hr \/>\n<pre>login : amrood<\/pre>\n<pre>amrood's password:<\/pre>\n<pre>Last login: Sun Jun 14 09:32:32 2009 from 62.61.164.73<\/pre>\n<pre>$<\/pre>\n<hr \/>\n<p>&nbsp;<\/p>\n<h2>\u09b2\u0997\u0986\u0989\u099f\u09c7\u09b0 \u099c\u09a8\u09cd\u09af<\/h2>\n<p>\u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 \u09aa\u09cd\u09b0\u09ae\u09cd\u09aa\u099f\u09c7 <strong>logout<\/strong> \u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 \u099f\u09be\u0987\u09aa \u0995\u09b0\u09b2\u09c7 \u09b8\u09bf\u09b8\u09cd\u099f\u09c7\u09ae \u09b8\u09ac\u0995\u09bf\u099b\u09c1 \u09aa\u09b0\u09bf\u09b7\u09cd\u0995\u09be\u09b0 \u0995\u09b0\u09c7 \u09af\u09cb\u0997\u09be\u09af\u09cb\u0997 \u09ac\u09bf\u099a\u09cd\u099b\u09bf\u09a8\u09cd\u09a8 \u0995\u09b0\u09c7 \u09a6\u09c7\u09ac\u09c7\u0964<\/p>\n<p>&nbsp;<\/p>\n<h2>\u09ab\u09be\u0987\u09b2 \u09ac\u09cd\u09af\u09ac\u09b8\u09cd\u09a5\u09be\u09aa\u09a8\u09be<\/h2>\n<p>\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8\u09c7 \u09a4\u09bf\u09a8 \u09a7\u09b0\u09a3\u09c7\u09b0 \u09ab\u09be\u0987\u09b2 \u0986\u099b\u09c7,<\/p>\n<ul>\n<li>\u09b8\u09be\u09a7\u09be\u09b0\u09a3 \u09ab\u09be\u0987\u09b2,<\/li>\n<li>\u09a1\u09bf\u09b0\u09c7\u0995\u09cd\u099f\u09b0\u09bf,<\/li>\n<li>\u09b8\u09cd\u09aa\u09c7\u09b6\u09be\u09b2 \u09ab\u09be\u0987\u09b2\u0964<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>\u09ab\u09be\u0987\u09b2\u09a8\u09c7\u09ae\u09c7\u09b0 \u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8<\/h2>\n<table width=\"18%\">\n<tbody>\n<tr>\n<td width=\"97%\"><strong>\u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 <\/strong><\/td>\n<\/tr>\n<tr>\n<td>ls -[l]<\/td>\n<\/tr>\n<tr>\n<td>ls -[l]a<\/td>\n<\/tr>\n<tr>\n<td>~<\/td>\n<\/tr>\n<tr>\n<td>~user<\/td>\n<\/tr>\n<tr>\n<td>?<\/td>\n<\/tr>\n<tr>\n<td>*<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2>\u09ab\u09be\u0987\u09b2\u09a8\u09c7\u09ae\u09c7\u09b0 \u09ae\u09c7\u09a8\u09bf\u09aa\u09c1\u09b2\u09c7\u09b6\u09a8<strong><br \/>\n<\/strong><\/h2>\n<table width=\"21%\">\n<tbody>\n<tr>\n<td width=\"97%\"><strong>\u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 <\/strong><\/td>\n<\/tr>\n<tr>\n<td>cat filename<\/td>\n<\/tr>\n<tr>\n<td>cp source destination<\/td>\n<\/tr>\n<tr>\n<td>mv oldname newname<\/td>\n<\/tr>\n<tr>\n<td>rm filename<\/td>\n<\/tr>\n<tr>\n<td>chmod nnn filename<\/td>\n<\/tr>\n<tr>\n<td>touch filename<\/td>\n<\/tr>\n<tr>\n<td>ln [-s] oldname newname<\/td>\n<\/tr>\n<tr>\n<td>ls -F<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2>\u09a1\u09bf\u09b0\u09c7\u0995\u09cd\u099f\u09b0\u09bf \u09ae\u09cd\u09af\u09be\u09a8\u09c7\u099c\u09ae\u09c7\u09a8\u09cd\u099f<\/h2>\n<table width=\"22%\">\n<tbody>\n<tr>\n<td width=\"97%\"><strong>\u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 <\/strong><\/td>\n<\/tr>\n<tr>\n<td>mkdir dirname<\/td>\n<\/tr>\n<tr>\n<td>rmdir dirname<\/td>\n<\/tr>\n<tr>\n<td>cd dirname<\/td>\n<\/tr>\n<tr>\n<td>cd &#8211;<\/td>\n<\/tr>\n<tr>\n<td>cd ~<\/td>\n<\/tr>\n<tr>\n<td>pwd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2>\u098f\u09a8\u09ad\u09be\u09df\u09b0\u09a8\u09ae\u09c7\u09a8\u09cd\u099f \u09b8\u09c7\u099f\u0986\u09aa<\/h2>\n<p>PS1\u0993 PS2 \u099a\u09b2\u0995, \u098f\u09b8\u09cd\u0995\u09c7\u09aa \u0995\u09cd\u09af\u09be\u09b0\u09c7\u0995\u09cd\u099f\u09be\u09b0 \u0993 \u098f\u09a8\u09ad\u09be\u09df\u09b0\u09a8\u09ae\u09c7\u09a8\u09cd\u099f \u099a\u09b2\u0995 \u09a8\u09bf\u09df\u09c7 \u098f\u09a8\u09ad\u09be\u09df\u09b0\u09a8\u09ae\u09c7\u09a8\u09cd\u099f \u09b8\u09c7\u099f\u0986\u09aa \u0997\u09a0\u09bf\u09a4 \u09b9\u09df\u0964<\/p>\n<p>\u098f\u09b8\u09cd\u0995\u09c7\u09aa \u0995\u09cd\u09af\u09be\u09b0\u09c7\u0995\u09cd\u099f\u09be\u09b0\u09c7\u09b0 \u09b8\u09bf\u0995\u09cb\u09df\u09c7\u09a8\u09cd\u09b8,<\/p>\n<p>&nbsp;<\/p>\n<table width=\"25%\">\n<tbody>\n<tr>\n<td width=\"97%\"><strong>\u098f\u09b8\u09cd\u0995\u09c7\u09aa \u09b8\u09bf\u0995\u09cb\u09df\u09c7\u09a8\u09cd\u09b8 <\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>\\t<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>\\d<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>\\n<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>\\s<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>\\W<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>\\w<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>\\u<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>\\h<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>\\#<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>\\$<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u00a0<\/strong><\/p>\n<h2>\u098f\u09a8\u09ad\u09be\u09df\u09b0\u09a8\u09ae\u09c7\u09a8\u09cd\u099f \u099a\u09b2\u0995<\/h2>\n<table width=\"25%\">\n<tbody>\n<tr>\n<td width=\"97%\">\u099a\u09b2\u0995<\/td>\n<\/tr>\n<tr>\n<td>DISPLAY<\/td>\n<\/tr>\n<tr>\n<td>HOME<\/td>\n<\/tr>\n<tr>\n<td>IFS<\/td>\n<\/tr>\n<tr>\n<td>LANG<\/td>\n<\/tr>\n<tr>\n<td>LD_LIBRARY_PATH<\/td>\n<\/tr>\n<tr>\n<td>PATH<\/td>\n<\/tr>\n<tr>\n<td>PWD<\/td>\n<\/tr>\n<tr>\n<td>RANDOM<\/td>\n<\/tr>\n<tr>\n<td>SHLVL<\/td>\n<\/tr>\n<tr>\n<td>TERM<\/td>\n<\/tr>\n<tr>\n<td>TZ<\/td>\n<\/tr>\n<tr>\n<td>UID<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u00a0<\/strong><\/p>\n<h2>\u09ab\u09bf\u09b2\u09cd\u099f\u09be\u09b0 \u0993 \u09aa\u09be\u0987\u09aa<\/h2>\n<table width=\"22%\">\n<tbody>\n<tr>\n<td width=\"97%\"><strong>\u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 <\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>wc [-l] <\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>tail [-n] <\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>sort [-n] <\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>pr -t <\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>grep &#8220;pattern&#8221; filename <\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>pg or more <\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2>\u09b8\u09cd\u09aa\u09c7\u09b6\u09be\u09b2 \u099a\u09b2\u0995<\/h2>\n<table width=\"15%\">\n<tbody>\n<tr>\n<td width=\"96%\"><strong>\u099a\u09b2\u0995 <\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>$0<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>$n<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>$#<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>$*<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>$@<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>$?<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>$$<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>$!<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2>\u09b8\u09c7\u09b2 \u09ac\u09c7\u09b8\u09bf\u0995 \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0<\/h2>\n<p>\u09b8\u09c7\u09b2 \u09ac\u09c7\u09b8\u09bf\u0995 \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0\u0983 \u09a4\u09bf\u09a8 \u09a7\u09b0\u09a3\u09c7\u09b0 \u09b9\u09df,<\/p>\n<ul>\n<li>\u098f\u09b0\u09bf\u09a5\u09ae\u09c7\u099f\u09bf\u0995 \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0,<\/li>\n<li>\u09b0\u09bf\u09b2\u09c7\u09b8\u09a8\u09be\u09b2 \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0,<\/li>\n<li>\u09ac\u09c1\u09b2\u09bf\u09df\u09c7\u09a8 \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>\u098f\u09b0\u09bf\u09a5\u09ae\u09c7\u099f\u09bf\u0995 \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0<\/h3>\n<table width=\"10%\">\n<tbody>\n<tr>\n<td width=\"94%\"><strong>\u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0 <\/strong><\/td>\n<\/tr>\n<tr>\n<td>+<\/td>\n<\/tr>\n<tr>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>*<\/td>\n<\/tr>\n<tr>\n<td>\/<\/td>\n<\/tr>\n<tr>\n<td>%<\/td>\n<\/tr>\n<tr>\n<td>=<\/td>\n<\/tr>\n<tr>\n<td>==<\/td>\n<\/tr>\n<tr>\n<td>!=<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h3>\u09b0\u09bf\u09b2\u09c7\u09b8\u09a8\u09be\u09b2 \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0<\/h3>\n<table width=\"10%\">\n<tbody>\n<tr>\n<td width=\"94%\"><strong>\u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0 <\/strong><\/td>\n<\/tr>\n<tr>\n<td>-eq<\/td>\n<\/tr>\n<tr>\n<td>-ne<\/td>\n<\/tr>\n<tr>\n<td>-gt<\/td>\n<\/tr>\n<tr>\n<td>-lt<\/td>\n<\/tr>\n<tr>\n<td>-ge<\/td>\n<\/tr>\n<tr>\n<td>-le<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h3>\u09ac\u09c1\u09b2\u09bf\u09df\u09c7\u09a8 \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0<\/h3>\n<table width=\"10%\">\n<tbody>\n<tr>\n<td width=\"94%\"><strong>\u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0 <\/strong><\/td>\n<\/tr>\n<tr>\n<td>!<\/td>\n<\/tr>\n<tr>\n<td>-o<\/td>\n<\/tr>\n<tr>\n<td>-a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2>\u09b8\u09cd\u099f\u09cd\u09b0\u09bf\u0982 \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0<\/h2>\n<table width=\"10%\">\n<tbody>\n<tr>\n<td width=\"94%\"><strong>\u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0 <\/strong><\/td>\n<\/tr>\n<tr>\n<td>=<\/td>\n<\/tr>\n<tr>\n<td>!=<\/td>\n<\/tr>\n<tr>\n<td>-z<\/td>\n<\/tr>\n<tr>\n<td>-n<\/td>\n<\/tr>\n<tr>\n<td>str<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2>\u09ab\u09be\u0987\u09b2 \u099f\u09c7\u09b8\u09cd\u099f \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0<\/h2>\n<table width=\"11%\">\n<tbody>\n<tr>\n<td width=\"95%\"><strong>\u0985\u09aa\u09be\u09b0\u09c7\u099f\u09b0<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"95%\">-b file<\/td>\n<\/tr>\n<tr>\n<td width=\"95%\">-c file<\/td>\n<\/tr>\n<tr>\n<td width=\"95%\">-d file<\/td>\n<\/tr>\n<tr>\n<td width=\"95%\">-f file<\/td>\n<\/tr>\n<tr>\n<td width=\"95%\">-g file<\/td>\n<\/tr>\n<tr>\n<td width=\"95%\">-k file<\/td>\n<\/tr>\n<tr>\n<td width=\"95%\">-p file<\/td>\n<\/tr>\n<tr>\n<td width=\"95%\">-t file<\/td>\n<\/tr>\n<tr>\n<td width=\"95%\">-u file<\/td>\n<\/tr>\n<tr>\n<td width=\"95%\">-r file<\/td>\n<\/tr>\n<tr>\n<td width=\"95%\">-w file<\/td>\n<\/tr>\n<tr>\n<td width=\"95%\">-x file<\/td>\n<\/tr>\n<tr>\n<td width=\"95%\">-s file<\/td>\n<\/tr>\n<tr>\n<td width=\"95%\">-e file<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2>\u09b8\u09c7\u09b2 \u09a1\u09bf\u09b8\u09bf\u09b6\u09a8 \u09ae\u09c7\u0995\u09bf\u0982<\/h2>\n<h3>if&#8230;fi \u09ac\u09bf\u09ac\u09c3\u09a4\u09bf<\/h3>\n<hr \/>\n<pre>if [ expression ]\r\nthen\r\n\u00a0\u00a0 Statement(s) to be executed if expression is true\r\nfi<\/pre>\n<hr \/>\n<p>&nbsp;<\/p>\n<h3>if&#8230;else&#8230;fi \u09ac\u09bf\u09ac\u09c3\u09a4\u09bf<\/h3>\n<hr \/>\n<pre>if [ expression ]\r\nthen\r\n\u00a0\u00a0 Statement(s) to be executed if expression is true\r\nelse\r\n\u00a0\u00a0 Statement(s) to be executed if expression is not true\r\nfi<\/pre>\n<hr \/>\n<p>&nbsp;<\/p>\n<h3>if&#8230;elif&#8230;fi \u09ac\u09bf\u09ac\u09c3\u09a4\u09bf<\/h3>\n<hr \/>\n<pre>if [ expression 1 ]\r\nthen\r\n\u00a0\u00a0 Statement(s) to be executed if expression 1 is true\r\nelif [ expression 2 ]\r\nthen\r\n\u00a0\u00a0 Statement(s) to be executed if expression 2 is true\r\nelif [ expression 3 ]\r\nthen\r\n\u00a0\u00a0 Statement(s) to be executed if expression 3 is true\r\nelse\r\n\u00a0\u00a0 Statement(s) to be executed if no expression is true\r\nfi<\/pre>\n<hr \/>\n<p>&nbsp;<\/p>\n<h3>case&#8230;esac \u09ac\u09bf\u09ac\u09c3\u09a4\u09bf<\/h3>\n<hr \/>\n<pre>case word in\r\n\u00a0 pattern1)\r\n\u00a0\u00a0\u00a0\u00a0 Statement(s) to be executed if pattern1 matches\r\n\u00a0\u00a0\u00a0\u00a0 ;;\r\n\u00a0 pattern2)\r\n\u00a0\u00a0\u00a0\u00a0 Statement(s) to be executed if pattern2 matches\r\n\u00a0\u00a0\u00a0\u00a0 ;;\r\n\u00a0 pattern3)\r\n\u00a0\u00a0\u00a0\u00a0 Statement(s) to be executed if pattern3 matches\r\n\u00a0\u00a0\u00a0\u00a0 ;;\r\nesac<\/pre>\n<hr \/>\n<p>&nbsp;<\/p>\n<h2>\u09b8\u09c7\u09b2 \u09b2\u09c1\u09aa \u099f\u09be\u0987\u09aa<\/h2>\n<h3>while \u09b2\u09c1\u09aa<\/h3>\n<hr \/>\n<pre>while command\r\ndo\r\n\u00a0\u00a0 Statement(s) to be executed if command is true\r\ndone<\/pre>\n<hr \/>\n<p>&nbsp;<\/p>\n<h3>for \u09b2\u09c1\u09aa<\/h3>\n<hr \/>\n<pre>for var in word1 word2 ... wordN\r\ndo\r\n\u00a0\u00a0 Statement(s) to be executed for every word.\r\ndone<\/pre>\n<hr \/>\n<p>&nbsp;<\/p>\n<h3>until \u09b2\u09c1\u09aa<\/h3>\n<hr \/>\n<pre>until command\r\ndo\r\n\u00a0\u00a0 Statement(s) to be executed until command is true\r\ndone<\/pre>\n<hr \/>\n<p>&nbsp;<\/p>\n<h3>select \u09b2\u09c1\u09aa<\/h3>\n<hr \/>\n<pre>select var in word1 word2 ... wordN\r\ndo\r\n\u00a0\u00a0 Statement(s) to be executed for every word.\r\ndone<\/pre>\n<hr \/>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2>\u09b8\u09c7\u09b2 \u09b2\u09c1\u09aa \u0995\u09a8\u09cd\u099f\u09cd\u09b0\u09cb\u09b2<\/h2>\n<p>\u09ac\u09cd\u09b0\u09c7\u0995 \u09b8\u09cd\u099f\u09c7\u099f\u09ae\u09c7\u09a8\u09cd\u099f\u09c7\u09b0 \u099c\u09a8\u09cd\u09af<\/p>\n<hr \/>\n<pre>break[n]<\/pre>\n<hr \/>\n<p>&nbsp;<\/p>\n<p>\u0986\u09b0 \u0995\u09a8\u09cd\u099f\u09bf\u09a8\u09bf\u0989 \u09b8\u09cd\u099f\u09c7\u099f\u09ae\u09c7\u09a8\u09cd\u099f\u09c7\u09b0 \u099c\u09a8\u09cd\u09af<\/p>\n<hr \/>\n<pre>continue[n]<\/pre>\n<hr \/>\n<p>&nbsp;<\/p>\n<h2>\u09b8\u09c7\u09b2 \u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8\u09c7\u09b0 \u099c\u09a8\u09cd\u09af<\/h2>\n<p>\u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 \u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8<\/p>\n<hr \/>\n<pre>`command`<\/pre>\n<hr \/>\n<p>&nbsp;<\/p>\n<h2>\u0986\u09b0 \u09b8\u09ae\u09cd\u09ad\u09be\u09ac\u09cd\u09af \u099a\u09b2\u0995 \u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8<\/h2>\n<table width=\"30%\">\n<tbody>\n<tr>\n<td width=\"98%\">\u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8 \u09ab\u09b0\u09cd\u09ae<\/td>\n<\/tr>\n<tr>\n<td><strong>${var}<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>${var:-word}<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>${var:=word}<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>${var:?message}<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>${var:+word}<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2>\u09b0\u09bf\u09a1\u09be\u0987\u09b0\u09c7\u0995\u09b6\u09a8 \u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1<\/h2>\n<table width=\"19%\">\n<tbody>\n<tr>\n<td width=\"97%\"><strong>\u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 <\/strong><\/td>\n<\/tr>\n<tr>\n<td>pgm &gt; file<\/td>\n<\/tr>\n<tr>\n<td>pgm &lt; file<\/td>\n<\/tr>\n<tr>\n<td>pgm &gt;&gt; file<\/td>\n<\/tr>\n<tr>\n<td>n &gt; file<\/td>\n<\/tr>\n<tr>\n<td>n &gt;&gt; file<\/td>\n<\/tr>\n<tr>\n<td>n &gt;&amp; m<\/td>\n<\/tr>\n<tr>\n<td>n &lt;&amp; m<\/td>\n<\/tr>\n<tr>\n<td>&lt;&lt; tag<\/td>\n<\/tr>\n<tr>\n<td>|<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u09b0\u09bf\u09a6\u0993\u09df\u09be\u09a8 \u09ac\u09bf\u09a8 \u09b6\u09be\u09ae\u09c0\u09ae &nbsp; \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0995\u09bf \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09bf\u0982 \u09b8\u09bf\u09b8\u09cd\u099f\u09c7\u09ae \u09b9\u09b2 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09c7\u09b0 \u098f\u0995\u099f\u09bf \u09b8\u09c7\u099f \u09af\u09be \u0995\u09ae\u09cd\u09aa\u09bf\u0989\u099f\u09be\u09b0 \u0993 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u0995\u09be\u09b0\u09c0\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09b2\u09bf\u0999\u09cd\u0995 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u0995\u09be\u099c \u0995\u09b0\u09c7\u0964 \u09e7\u09ef\u09ec\u09ef \u09b8\u09be\u09b2\u09c7 \u098f\u099f\u09bf\u098f\u09a8\u09cd\u09a1\u099f\u09bf \u0995\u09b0\u09cd\u09ae\u09c0\u09a6\u09c7\u09b0 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09ac\u09c7\u09b2 \u09b2\u09cd\u09af\u09be\u09ac\u09b0\u09c7\u099f\u09b0\u09bf\u09a4\u09c7 \u09aa\u09cd\u09b0\u09a5\u09ae \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u09a1\u09c7\u09ad\u09c7\u09b2\u09be\u09aa \u0995\u09b0\u09be \u09b9\u09df, \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8\u09c7\u09b0 \u09ac\u09bf\u09ad\u09bf\u09a8\u09cd\u09a8 \u09ad\u09be\u09b0\u09cd\u09b8\u09a8 \u09aa\u09be\u0993\u09df\u09be \u09af\u09be\u09df, Solaris Unix, AIX, HP Unix \u098f\u09ac\u0982 BSD \u09b8\u09b9 \u09b2\u09bf\u09a8\u09be\u0995\u09cd\u09b8\u0993 \u0985\u09a8\u09c7\u0995\u099f\u09be \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8\u09c7\u09b0 \u09ae\u09a4, \u09af\u09c7\u099f\u09bf \u09ab\u09cd\u09b0\u09c0 \u0993\u098f\u09b8\u0964 \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/bangla.sitestree.com\/?p=9669\">Continue reading<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1231],"tags":[1237,1236,1313,1287,1314,1662,422,1291,1284],"class_list":["post-9669","post","type-post","status-publish","format-standard","hentry","category-----linux-and-unix","tag-unix","tag-1236","tag-1313","tag-1287","tag-1314","tag-1662","tag-422","tag-1291","tag-1284","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":9544,"url":"http:\/\/bangla.sitestree.com\/?p=9544","url_meta":{"origin":9669,"position":0},"title":"\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 : \u09b6\u09c1\u09b0\u09c1\u09b0 \u0995\u09a5\u09be (Unix &#8211; Getting Started)","author":"Author-Check- Article-or-Video","date":"June 26, 2015","format":false,"excerpt":"\u09b0\u09bf\u09a6\u0993\u09df\u09be\u09a8 \u09ac\u09bf\u09a8 \u09b6\u09be\u09ae\u09c0\u09ae \u00a0 \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0995\u09bf ? \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0985\u09aa\u09be\u09b0\u09c7\u099f\u09bf\u0982 \u09b8\u09bf\u09b8\u09cd\u099f\u09c7\u09ae \u09b9\u09b2 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09c7\u09b0 \u098f\u0995\u099f\u09bf \u09b8\u09c7\u099f \u09af\u09be \u0995\u09ae\u09cd\u09aa\u09bf\u0989\u099f\u09be\u09b0 \u0993 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u0995\u09be\u09b0\u09c0\u09b0 \u09ae\u09a7\u09cd\u09af\u09c7 \u09b2\u09bf\u0999\u09cd\u0995 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u0995\u09be\u099c \u0995\u09b0\u09c7\u0964 \u098f\u09a4\u09c7 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u0995\u09be\u09b0\u09c0 \u09b8\u09c7\u09b2 \u09a8\u09be\u09ae\u09c7\u09b0 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09c7\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u0995\u09be\u09b0\u09cd\u09a8\u09c7\u09b2\u09c7 \u09af\u09cb\u0997\u09be\u09af\u09cb\u0997 \u0995\u09b0\u09c7\u0964 \u09b8\u09c7\u09b2 \u09b9\u09b2 \u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 \u09b2\u09be\u0987\u09a8 \u0987\u09a8\u09cd\u099f\u09be\u09b0\u09aa\u09cd\u09b0\u09bf\u099f\u09be\u09b0, \u098f\u099f\u09bf \u0987\u0989\u099c\u09be\u09b0\u09c7\u09b0 \u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 \u0985\u09a8\u09c1\u09ac\u09be\u09a6 \u0995\u09b0\u09c7 \u0995\u09be\u09b0\u09cd\u09a8\u09c7\u09b2\u09c7\u09b0 \u09aa\u09be\u09a0\u09af\u09cb\u0997\u09cd\u09af \u09ad\u09be\u09b7\u09be\u09df \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09a8 \u0995\u09b0\u09c7\u0964 \u09e7\u09ef\u09ec\u09ef \u09b8\u09be\u09b2\u09c7 \u098f\u099f\u09bf\u098f\u09a8\u09cd\u09a1\u099f\u09bf\u2026","rel":"","context":"In &quot;\u09b2\u09bf\u09a8\u09be\u0995\u09cd\u09b8 \u098f\u09ac\u0982 \u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0964 Linux and Unix&quot;","block_context":{"text":"\u09b2\u09bf\u09a8\u09be\u0995\u09cd\u09b8 \u098f\u09ac\u0982 \u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0964 Linux and Unix","link":"http:\/\/bangla.sitestree.com\/?cat=1231"},"img":{"alt_text":"\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8\u09c7\u09b0 \u0995\u09be\u09a0\u09be\u09ae\u09cb","src":"https:\/\/i0.wp.com\/www.tutorialspoint.com\/unix\/images\/unix_architecture.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":9652,"url":"http:\/\/bangla.sitestree.com\/?p=9652","url_meta":{"origin":9669,"position":1},"title":"\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8\u0983 \u09ab\u09be\u0987\u09b2 \u09b8\u09bf\u09b8\u09cd\u099f\u09c7\u09ae \u09ac\u09c7\u09b8\u09bf\u0995 (Unix &#8211; File System Basics)","author":"Author-Check- Article-or-Video","date":"July 9, 2015","format":false,"excerpt":"\u09b0\u09bf\u09a6\u0993\u09df\u09be\u09a8 \u09ac\u09bf\u09a8 \u09b6\u09be\u09ae\u09c0\u09ae \u00a0 \u09ab\u09be\u0987\u09b2 \u09b8\u09bf\u09b8\u09cd\u099f\u09c7\u09ae \u09b9\u09b2 \u09aa\u09be\u09b0\u09cd\u099f\u09bf\u09b6\u09a8 \u09ac\u09be \u09a1\u09bf\u09b8\u09cd\u0995\u09c7 \u09ab\u09be\u0987\u09b2\u09c7\u09b0 \u09b2\u099c\u09bf\u0995\u09be\u09b2 \u0995\u09be\u09b2\u09c7\u0995\u09b6\u09a8\u0964 \u09aa\u09be\u09b0\u09cd\u099f\u09bf\u09b6\u09a8 \u0987\u09a8\u09ab\u09b0\u09ae\u09c7\u09b6\u09a8\u09c7\u09b0 \u0995\u09a8\u09cd\u099f\u09c7\u0987\u09a8\u09be\u09b0 \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u0995\u09be\u099c \u0995\u09b0\u09c7 \u098f\u09ac\u0982 \u09aa\u09cd\u09b0\u09df\u09cb\u099c\u09a8\u09c7 \u09aa\u09c1\u09b0\u09cb \u09b9\u09be\u09b0\u09cd\u09a1\u09a1\u09bf\u09b8\u09cd\u0995 \u09b8\u09cd\u09aa\u09be\u09a8 \u0995\u09b0\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7 \u0964 \u09b9\u09be\u09b0\u09cd\u09a1\u09a1\u09cd\u09b0\u09be\u0987\u09ad\u09c7 \u0985\u09a8\u09c7\u0995\u0997\u09c1\u09b2\u09cb \u09aa\u09be\u09b0\u09cd\u099f\u09bf\u09b6\u09a8 \u09a5\u09be\u0995\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7 \u09af\u09c7\u0997\u09c1\u09b2\u09cb \u09ae\u09c2\u09b2\u09a4 \u098f\u0995\u099f\u09bf\u09ae\u09be\u09a4\u09cd\u09b0 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Unix","link":"http:\/\/bangla.sitestree.com\/?cat=1231"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":9654,"url":"http:\/\/bangla.sitestree.com\/?p=9654","url_meta":{"origin":9669,"position":2},"title":"\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8\u0983 \u0987\u0989\u099c\u09be\u09b0 \u098f\u09a1\u09ae\u09bf\u09a8\u09bf\u09b8\u09cd\u099f\u09cd\u09b0\u09c7\u09b6\u09a8 (Unix &#8211; User Administration)","author":"Author-Check- Article-or-Video","date":"July 10, 2015","format":false,"excerpt":"\u09b0\u09bf\u09a6\u0993\u09df\u09be\u09a8 \u09ac\u09bf\u09a8 \u09b6\u09be\u09ae\u09c0\u09ae \u00a0 \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u09b8\u09bf\u09b8\u09cd\u099f\u09c7\u09ae\u09c7 \u09a4\u09bf\u09a8 \u09a7\u09b0\u09a3\u09c7\u09b0 \u098f\u0995\u09be\u0989\u09a8\u09cd\u099f \u09a6\u09c7\u0996\u09be \u09af\u09be\u09df, \u09b0\u09c1\u099f \u098f\u0995\u09be\u0989\u09a8\u09cd\u099f, \u09b8\u09bf\u09b8\u09cd\u099f\u09c7\u09ae \u098f\u0995\u09be\u0989\u09a8\u09cd\u099f \u0987\u0989\u099c\u09be\u09b0 \u098f\u0995\u09be\u0989\u09a8\u09cd\u099f \u00a0 \u0987\u0989\u099c\u09be\u09b0 \u098f\u09ac\u0982 \u0997\u09cd\u09b0\u09c1\u09aa \u09ac\u09cd\u09af\u09ac\u09b8\u09cd\u09a5\u09be\u09aa\u09a8\u09be \u09a4\u09bf\u09a8 \u09a7\u09b0\u09a3\u09c7\u09b0 \u0987\u0989\u099c\u09be\u09b0 \u098f\u09a1\u09ae\u09bf\u09a8\u09bf\u09b8\u09cd\u099f\u09cd\u09b0\u09c7\u09b6\u09a8 \u09ab\u09be\u0987\u09b2 \u09a6\u09c7\u0996\u09be \u09af\u09be\u09df, \/etc\/passwd: \u098f\u099f\u09bf \u0987\u0989\u099c\u09be\u09b0 \u098f\u0995\u09be\u0989\u09a8\u09cd\u099f \u0993 \u09aa\u09be\u09b8\u0993\u09df\u09be\u09b0\u09cd\u09a1 \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09a3 \u0995\u09b0\u09c7\u0964 \/etc\/shadow: \u098f\u099f\u09bf \u0995\u09cb\u09b0\u09c7\u09b8\u09aa\u09a8\u09a1\u09bf\u0982 \u098f\u0995\u09be\u0989\u09a8\u09cd\u099f\u09c7\u09b0 \u098f\u09a8\u0995\u09cd\u09b0\u09bf\u09aa\u099f\u09c7\u09a1 \u09aa\u09be\u09b8\u0993\u09df\u09be\u09b0\u09cd\u09a1 \u09b8\u0982\u09b0\u0995\u09cd\u09b7\u09a3 \u0995\u09b0\u09c7 \/etc\/group: \u098f\u099f\u09bf \u09aa\u09cd\u09b0\u09a4\u09cd\u09af\u09c7\u0995 \u098f\u0995\u09be\u0989\u09a8\u09cd\u099f\u09c7\u09b0 \u0997\u09cd\u09b0\u09c1\u09aa\u2026","rel":"","context":"In &quot;\u09b2\u09bf\u09a8\u09be\u0995\u09cd\u09b8 \u098f\u09ac\u0982 \u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0964 Linux and Unix&quot;","block_context":{"text":"\u09b2\u09bf\u09a8\u09be\u0995\u09cd\u09b8 \u098f\u09ac\u0982 \u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0964 Linux and Unix","link":"http:\/\/bangla.sitestree.com\/?cat=1231"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":9647,"url":"http:\/\/bangla.sitestree.com\/?p=9647","url_meta":{"origin":9669,"position":3},"title":"\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8\u0983 \u09b8\u09c7\u09b2 \u09ae\u09cd\u09af\u09be\u09a8\u09aa\u09c7\u099c \u09b9\u09c7\u09b2\u09cd\u09aa (Unix &#8211; Shell Manpage Help)","author":"Author-Check- Article-or-Video","date":"July 8, 2015","format":false,"excerpt":"\u09b0\u09bf\u09a6\u0993\u09df\u09be\u09a8 \u09ac\u09bf\u09a8 \u09b6\u09be\u09ae\u09c0\u09ae \u00a0 \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1\u0997\u09c1\u09b2\u09cb \u0985\u09a8\u09c7\u0995\u09a7\u09b0\u09a3\u09c7\u09b0 \u0990\u099a\u09cd\u099b\u09bf\u0995 \u0993 \u09ac\u09be\u09a7\u09cd\u09af\u09a4\u09be\u09ae\u09c2\u09b2\u0995 \u0985\u09aa\u09b6\u09a8 \u09a8\u09bf\u09df\u09c7 \u0997\u09a0\u09bf\u09a4 \u09b9\u09df, \u098f\u09b8\u09ac \u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1\u09c7\u09b0 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8 \u09ae\u09a8\u09c7 \u09b0\u09be\u0996\u09be \u09b8\u09b9\u099c \u09a8\u09be\u0993 \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 \u09af\u09c7\u09b9\u09c7\u09a4\u09c1 \u0995\u09cb\u09a8\u0993 \u09ac\u09cd\u09af\u0995\u09cd\u09a4\u09bf\u09b0 \u09aa\u0995\u09cd\u09b7\u09c7 \u098f\u09b8\u09ac \u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1\u09c7\u09b0 \u09b8\u09ae\u09cd\u09aa\u09c2\u09b0\u09cd\u09a3 \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8 \u09ae\u09a8\u09c7 \u09b0\u09be\u0996\u09be \u09b8\u09ae\u09cd\u09ad\u09ac \u09a8\u09be \u09a4\u09be\u0987 \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a5\u09ae \u09af\u09c1\u0997 \u09a5\u09c7\u0995\u09c7\u0987 \u0985\u09a8\u09b2\u09be\u0987\u09a8\u09c7 \u098f\u09b8\u09ac \u09b8\u09bf\u09a8\u099f\u09cd\u09af\u09be\u0995\u09cd\u09b8 \u09b8\u09ae\u09cd\u09aa\u09b0\u09cd\u0995\u09c7 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af \u09b2\u09be\u09ad\u09c7\u09b0 \u09b8\u09c1\u09af\u09cb\u0997 \u0986\u099b\u09c7\u0964 \u00a0\u2026","rel":"","context":"In &quot;\u09b2\u09bf\u09a8\u09be\u0995\u09cd\u09b8 \u098f\u09ac\u0982 \u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0964 Linux and Unix&quot;","block_context":{"text":"\u09b2\u09bf\u09a8\u09be\u0995\u09cd\u09b8 \u098f\u09ac\u0982 \u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0964 Linux and Unix","link":"http:\/\/bangla.sitestree.com\/?cat=1231"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":9615,"url":"http:\/\/bangla.sitestree.com\/?p=9615","url_meta":{"origin":9669,"position":4},"title":"\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8\u0983 \u09b8\u09c7\u09b2 \u0995\u09bf? 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