{"id":9639,"date":"2015-07-06T07:15:16","date_gmt":"2015-07-06T11:15:16","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/?p=9639"},"modified":"2015-11-10T08:34:48","modified_gmt":"2015-11-10T13:34:48","slug":"%e0%a6%87%e0%a6%89%e0%a6%a8%e0%a6%bf%e0%a6%95%e0%a7%8d%e0%a6%b8%e0%a6%83-%e0%a6%b8%e0%a7%87%e0%a6%b2-%e0%a6%b8%e0%a6%be%e0%a6%ac%e0%a6%b8%e0%a7%8d%e0%a6%9f%e0%a6%bf%e0%a6%9f%e0%a6%bf%e0%a6%89%e0%a6%b6","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=9639","title":{"rendered":"\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8\u0983 \u09b8\u09c7\u09b2 \u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8 (Unix – Shell Substitution)"},"content":{"rendered":"

\u09b0\u09bf\u09a6\u0993\u09df\u09be\u09a8 \u09ac\u09bf\u09a8 \u09b6\u09be\u09ae\u09c0\u09ae<\/p>\n

 <\/p>\n

\u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8 \u0995\u09c0<\/h2>\n

\u098f\u0995\u099f\u09bf \u09b8\u09c7\u09b2 \u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8 \u09aa\u09cd\u09b0\u09df\u09cb\u0997 \u0995\u09b0\u09c7 \u09a4\u0996\u09a8, \u09af\u0996\u09a8 \u09b8\u09c7\u099f\u09bf \u098f\u09ae\u09a8 \u09aa\u09b0\u09bf\u09b8\u09cd\u09a5\u09bf\u09a4\u09bf \u0985\u09a8\u09c1\u09a7\u09be\u09ac\u09a8 \u0995\u09b0\u09c7 \u09af\u09be \u098f\u0995 \u09ac\u09be \u098f\u0995\u09be\u09a7\u09bf\u0995 \u09ac\u09bf\u09b6\u09c7\u09b7 \u099a\u09bf\u09b9\u09cd\u09a8(\u09b8\u09cd\u09aa\u09c7\u09b6\u09be\u09b2 \u0995\u09cd\u09af\u09be\u09b0\u09c7\u0995\u099f\u09be\u09b0) \u09a7\u09be\u09b0\u09a3 \u0995\u09b0\u09c7 \u09a5\u09be\u0995\u09c7\u0964<\/p>\n

\u09a8\u09bf\u099a\u09c7\u09b0 \u0989\u09a6\u09be\u09b9\u09b0\u09a3\u099f\u09bf \u098f\u09ae\u09a8 \u098f\u0995\u099f\u09bf \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0 \u09af\u09c7\u0996\u09be\u09a8\u09c7 \u0995\u09cb\u09a8\u0993 \u099a\u09b2\u0995\u09c7\u09b0 \u09ae\u09c1\u09a6\u09cd\u09b0\u09be\u09df\u09bf\u09a4 \u09ae\u09be\u09a8 \u098f\u09b0 \u09ae\u09c2\u09b2 \u09ae\u09be\u09a8\u09c7\u09b0 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09cd\u09a5\u09be\u09aa\u09bf\u09a4 \u09b9\u09df\u09c7\u099b\u09c7\u0964 \u098f\u0995\u0987 \u09b8\u09be\u09a5\u09c7 “\\n” \u098f\u0995\u099f\u09bf \u09a8\u09a4\u09c1\u09a8 \u09b2\u09be\u0987\u09a8\u09c7\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09cd\u09a5\u09be\u09aa\u09bf\u09a4 \u09b9\u09df\u09c7\u099b\u09c7\u0964<\/p>\n

\n
#!\/bin\/sh\r\n\u00a0\r\na=10\r\necho -e \"Value of a is $a \\n\"<\/pre>\n
\n
 <\/p>\n
-e<\/strong> \u0985\u09aa\u09b6\u09a8 \u09aa\u09cd\u09b0\u09df\u09cb\u0997\u09c7 \u09af\u09be \u09a8\u09bf\u09ae\u09cd\u09a8\u09cb\u0995\u09cd\u09a4 \u09ab\u09b2\u09be\u09ab\u09b2 \u09aa\u09cd\u09b0\u09a6\u09be\u09a8 \u0995\u09b0\u09c7,<\/p>\n
Value of a is 10\u00a0\u098f\u09ac\u0982 -e<\/strong> \u0985\u09aa\u09b6\u09a8 \u09aa\u09cd\u09b0\u09df\u09cb\u0997 \u09a8\u09be \u0995\u09b0\u09c7 \u09ab\u09b2\u09be\u09ab\u09b2 \u09b9\u09ac\u09c7,\u00a0Value of ais10\\n\u00a0\u0987\u0995\u09cb \u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09a8\u09bf\u09ae\u09cd\u09a8\u09cb\u0995\u09cd\u09a4 \u098f\u09b8\u09cd\u0995\u09c7\u09aa \u09b8\u09bf\u0995\u09cb\u09df\u09c7\u09a8\u09cd\u09b8 \u09aa\u09cd\u09b0\u09df\u09cb\u0997 \u0995\u09b0\u09be \u09af\u09be\u09df,<\/p>\n
 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
Escape<\/strong><\/td>\nDescription<\/strong><\/td>\n<\/tr>\n
\\\\<\/strong><\/td>\nbackslash<\/td>\n<\/tr>\n
\\a<\/strong><\/td>\nalert (BEL)<\/td>\n<\/tr>\n
\\b<\/strong><\/td>\nbackspace<\/td>\n<\/tr>\n
\\c <\/strong><\/td>\nsuppress trailing newline<\/td>\n<\/tr>\n
\\f <\/strong><\/td>\nform feed<\/td>\n<\/tr>\n
\\n<\/strong><\/td>\nnew line<\/td>\n<\/tr>\n
\\r<\/strong><\/td>\ncarriage return<\/td>\n<\/tr>\n
\\t <\/strong><\/td>\nhorizontal tab<\/td>\n<\/tr>\n
\\v <\/strong><\/td>\nvertical tab<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u09ac\u09cd\u09af\u09be\u0995\u09b8\u09cd\u09b2\u09c7\u09b8 \u098f\u09b8\u09cd\u0995\u09c7\u09aa\u09c7\u09b0 \u0987\u09a8\u09cd\u099f\u09be\u09b0\u09aa\u09cd\u09b0\u09bf\u099f\u09c7\u09b6\u09a8 \u09a1\u09bf\u099c\u09c7\u09ac\u09b2 \u09b0\u09be\u0996\u09a4\u09c7 \u2013E<\/strong> \u0985\u09aa\u09b6\u09a8 \u0993 \u09a8\u09a4\u09c1\u09a8 \u09b2\u09be\u0987\u09a8\u09c7\u09b0 \u0985\u09a8\u09cd\u09a4\u09b0\u09cd\u09ad\u09c1\u0995\u09cd\u09a4\u09bf \u09b0\u09b9\u09bf\u09a4 \u0995\u09b0\u09a4\u09c7 \u2013n<\/strong> \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09be \u09af\u09be\u09df\u0964<\/p>\n
 <\/p>\n
\u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 \u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8<\/h2>\n
\u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 \u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8 \u09b9\u09b2 \u098f\u0995\u09aa\u09cd\u09b0\u0995\u09be\u09b0 \u09aa\u09cd\u09b0\u0995\u09cd\u09b0\u09bf\u09df\u09be \u09af\u09be\u09b0 \u09ae\u09be\u09a7\u09cd\u09af\u09ae\u09c7 \u09b8\u09c7\u09b2 \u0995\u09cb\u09a8\u0993 \u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1\u09c7\u09b0 \u09b8\u09c7\u099f \u09b8\u09ae\u09cd\u09aa\u09be\u09a6\u09a8 \u0995\u09b0\u09c7 \u0993 \u098f\u09b0 \u0986\u0989\u099f\u09aa\u09c1\u099f \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1\u0995\u09c7 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09cd\u09a5\u09be\u09aa\u09bf\u09a4 \u0995\u09b0\u09c7\u0964<\/p>\n
\u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 \u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8 \u09a4\u0996\u09a8 \u0995\u09be\u09b0\u09cd\u09af\u0995\u09b0 \u09b9\u09df \u09af\u0996\u09a8 \u09a8\u09bf\u09ae\u09cd\u09a8\u09cb\u0995\u09cd\u09a4 \u09a8\u09bf\u09b0\u09cd\u09a6\u09c7\u09b6\u09a8\u09be \u09a6\u09c7\u09df\u09be \u09a5\u09be\u0995\u09c7,<\/p>\n
\n
`command`<\/pre>\n
\n
 <\/p>\n
\u098f\u09b8\u09ac \u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 \u09b8\u09bf\u0999\u09cd\u0997\u09c7\u09b2 \u0995\u09cb\u099f \u0995\u09cd\u09af\u09be\u09b0\u09c7\u0995\u099f\u09be\u09b0\u09c7\u09b0 \u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09c7 \u09ac\u09cd\u09af\u09be\u0995\u0995\u09cb\u099f \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0 \u0995\u09b0\u09a4\u09c7 \u09b9\u09df\u0964<\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/h3>\n
\u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 \u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8 \u09ae\u09c2\u09b2\u09a4 \u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1\u09c7\u09b0 \u0986\u0989\u099f\u09aa\u09c1\u099f\u0995\u09c7 \u099a\u09b2\u0995\u09b0\u09c2\u09aa\u09c7 \u09aa\u09cd\u09b0\u0995\u09be\u09b6\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09ac\u09cd\u09af\u09ac\u09b9\u09c3\u09a4 \u09b9\u09df,<\/p>\n
\u09a8\u09bf\u099a\u09c7\u09b0 \u09aa\u09cd\u09b0\u09a4\u09cd\u09af\u09c7\u0995\u099f\u09bf \u0989\u09a6\u09be\u09b9\u09b0\u09a3 \u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1 \u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8\u0995\u09c7 \u09ac\u09bf\u09ac\u09c3\u09a4 \u0995\u09b0\u09c7\u0964<\/p>\n
\n
#!\/bin\/sh\r\n\u00a0\r\nDATE=`date`\r\necho \"Date is $DATE\"\r\n\u00a0\r\nUSERS=`who | wc -l`\r\necho \"Logged in user are $USERS\"\r\n\u00a0\r\nUP=`date ; uptime`\r\necho \"Uptime is $UP\"<\/pre>\n
\n
 <\/p>\n
\u098f\u0987 \u0995\u09cb\u09a1\u0997\u09c1\u09b2\u09cb \u09af\u09c7 \u09ab\u09b2\u09be\u09ab\u09b2 \u09a6\u09c7\u0996\u09be\u09ac\u09c7 \u09a4\u09be \u09b9\u09b2,<\/p>\n
\n
Date is Thu Jul\u00a0 2 03:59:57 MST 2009\r\nLogged in user are 1\r\nUptime is Thu Jul\u00a0 2 03:59:57 MST 2009\r\n03:59:57 up 20 days, 14:03,\u00a0 1 user,\u00a0 load avg: 0.13, 0.07, 0.15<\/pre>\n
\n
 <\/p>\n
\u099a\u09b2\u0995 \u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8<\/h2>\n
\u099a\u09b2\u0995 \u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8 \u099a\u09b2\u0995\u09c7\u09b0 \u0985\u09ac\u09b8\u09cd\u09a5\u09be\u09b0 \u09aa\u09cd\u09b0\u09c7\u0995\u09cd\u09b7\u09bf\u09a4\u09c7 \u09b8\u09c7\u09b2 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09be\u09b0\u0995\u09c7 \u098f\u09b0 \u09ae\u09be\u09a8 \u09ac\u09cd\u09af\u09ac\u09b9\u09be\u09b0\u09c7\u09b0 \u09b8\u09c1\u09af\u09cb\u0997 \u09a6\u09c7\u09df\u0964<\/p>\n
\u09b8\u09ae\u09cd\u09ad\u09be\u09ac\u09cd\u09af \u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8 \u0997\u09c1\u09b2\u09cb \u09a8\u09bf\u099a\u09c7\u09b0 \u099b\u0995\u09c7 \u09a6\u09c7\u09df\u09be \u09b9\u09b2,<\/p>\n\n\n\n\n\n\n\n\n
\u09aa\u09cd\u09b0\u0995\u09be\u09b0 <\/strong><\/td>\n\u09ac\u09b0\u09cd\u09a3\u09a8\u09be <\/strong><\/td>\n<\/tr>\n
${var}<\/strong><\/td>\nvar<\/em>. \u098f\u09b0 \u09ae\u09be\u09a8\u0995\u09c7 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09cd\u09a5\u09be\u09aa\u09bf\u09a4 \u0995\u09b0\u09c7<\/td>\n<\/tr>\n
${var:-word}<\/strong><\/td>\nvar<\/em> \u09b6\u09c2\u09a8\u09cd\u09af \u09ac\u09be \u0986\u09a8\u09b8\u09c7\u099f \u09b9\u09b2\u09c7, var<\/strong>.\u098f\u09b0 \u099c\u09a8\u09cd\u09af \u09b6\u09ac\u09cd\u09a6 \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09cd\u09a5\u09be\u09aa\u09bf\u09a4 \u09b9\u09df\u0964 var<\/em> \u098f\u09b0 \u09ae\u09be\u09a8 \u0985\u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09bf\u09a4 \u09a5\u09be\u0995\u09c7\u0964<\/td>\n<\/tr>\n
${var:=word}<\/strong><\/td>\nvar<\/em> \u09b6\u09c2\u09a8\u09cd\u09af \u09ac\u09be \u0986\u09a8\u09b8\u09c7\u099f \u09b9\u09b2\u09c7, var<\/em> \u09b6\u09ac\u09cd\u09a6\u09c7\u09b0 \u09ae\u09be\u09a8 \u0985\u09a8\u09c1\u09b8\u09be\u09b0\u09c7 \u09a8\u09bf\u09b0\u09cd\u09a3\u09c0\u09a4 \u09b9\u09df<\/td>\n<\/tr>\n
${var:?message}<\/strong><\/td>\nvar<\/em> \u09b6\u09c2\u09a8\u09cd\u09af \u09ac\u09be \u0986\u09a8\u09b8\u09c7\u099f \u09b9\u09b2\u09c7, message<\/em> standard error \u09b9\u09bf\u09b8\u09c7\u09ac\u09c7 \u09aa\u09cd\u09b0\u09a4\u09c0\u09df\u09ae\u09be\u09a8 \u09b9\u09df, \u099a\u09b2\u0995 \u09a0\u09bf\u0995\u09ae\u09a4 \u09aa\u09cd\u09b0\u09df\u09cb\u0997 \u0995\u09b0\u09be \u09b9\u09df\u09c7\u099b\u09c7 \u0995\u09bf\u09a8\u09be \u098f\u099f\u09bf \u09a4\u09be \u09a6\u09c7\u0996\u09c7\u0964<\/td>\n<\/tr>\n
${var:+word}<\/strong><\/td>\nvar<\/em> \u09b8\u09c7\u099f \u09b9\u09b2\u09c7 \u09b6\u09ac\u09cd\u09a6 var \u098f\u09b0 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u09aa\u09cd\u09b0\u09a4\u09bf\u09b8\u09cd\u09a5\u09be\u09aa\u09bf\u09a4 \u09b9\u09df var<\/em> \u098f\u09b0 \u09ae\u09be\u09a8 \u0985\u09aa\u09b0\u09bf\u09ac\u09b0\u09cd\u09a4\u09bf\u09a4 \u09a5\u09be\u0995\u09c7\u0964<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
 <\/p>\n
\u0989\u09a6\u09be\u09b9\u09b0\u09a3<\/h3>\n
\u09a8\u09bf\u099a\u09c7 \u098f\u09a7\u09b0\u09a3\u09c7\u09b0 \u09b8\u09be\u09ac\u09b8\u09cd\u099f\u09bf\u099f\u09bf\u0989\u09b6\u09a8\u09c7\u09b0 \u0989\u09a6\u09be\u09b9\u09b0\u09a3 \u09a6\u09c7\u09df\u09be \u09b9\u09b2,<\/p>\n
\n
#!\/bin\/sh\r\n\u00a0\r\necho ${var:-\"Variable is not set\"}\r\necho \"1 - Value of var is ${var}\"\r\n\u00a0\r\necho ${var:=\"Variable is not set\"}\r\necho \"2 - Value of var is ${var}\"\r\n\u00a0\r\nunset var\r\necho ${var:+\"This is default value\"}\r\necho \"3 - Value of var is $var\"\r\n\u00a0\r\nvar=\"Prefix\"\r\necho ${var:+\"This is default value\"}\r\necho \"4 - Value of var is $var\"\r\n\u00a0\r\necho ${var:?\"Print this message\"}\r\necho \"5 - Value of var is ${var}\"<\/pre>\n
\n
 <\/p>\n
\u0989\u09aa\u09b0\u09c7\u09b0 \u0995\u09cb\u09a1\u0997\u09c1\u09b2\u09cb \u09af\u09c7 \u09ab\u09b2\u09be\u09ab\u09b2 \u09a6\u09c7\u0996\u09be\u09ac\u09c7 \u09a4\u09be \u09b9\u09b2,<\/p>\n
\n
Variable is not set\r\n1 - Value of var is\r\nVariable is not set\r\n2 - Value of var is Variable is not set\r\n\u00a0\r\n3 - Value of var is\r\nThis is default value\r\n4 - Value of var is Prefix\r\nPrefix\r\n5 - Value of var is Prefix<\/pre>\n
\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
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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":[1285,1292,1237,1236,1662,1291,1284],"class_list":["post-9639","post","type-post","status-publish","format-standard","hentry","category-----linux-and-unix","tag-shell","tag-substitution","tag-unix","tag-1236","tag-1662","tag-1291","tag-1284","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":9633,"url":"http:\/\/bangla.sitestree.com\/?p=9633","url_meta":{"origin":9639,"position":0},"title":"\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8\u0983 \u09b8\u09c7\u09b2 \u09a1\u09bf\u09b8\u09bf\u09b6\u09a8 \u09ae\u09c7\u0995\u09bf\u0982 (Unix – Shell Decision Making)","author":"Author-Check- Article-or-Video","date":"July 5, 2015","format":false,"excerpt":"\u09b0\u09bf\u09a6\u0993\u09df\u09be\u09a8 \u09ac\u09bf\u09a8 \u09b6\u09be\u09ae\u09c0\u09ae \u00a0 \u09b8\u09c7\u09b2 \u09b8\u09cd\u0995\u09cd\u09b0\u09bf\u09aa\u09cd\u099f \u09b2\u09c7\u0996\u09be\u09b0 \u09b8\u09ae\u09df \u09a6\u09c1\u099f\u09bf \u09aa\u09cd\u09b0\u09a6\u09a4\u09cd\u09a4 \u09aa\u09be\u09a5 \u09a5\u09c7\u0995\u09c7 \u098f\u0995\u099f\u09bf \u09ac\u09c7\u099b\u09c7 \u09a8\u09c7\u09df\u09be\u09b0 \u09aa\u09cd\u09b0\u09df\u09cb\u099c\u09a8 \u09b9\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7, \u09b8\u09c7\u0995\u09cd\u09b7\u09c7\u09a4\u09cd\u09b0\u09c7 \u09b8\u09a0\u09bf\u0995 \u09b8\u09bf\u09a6\u09cd\u09a7\u09be\u09a8\u09cd\u09a4 \u09a8\u09c7\u09df\u09be\u09b0 \u099c\u09a8\u09cd\u09af \u0995\u09a8\u09cd\u09a1\u09bf\u09b6\u09a8\u09be\u09b2 \u09b8\u09cd\u099f\u09c7\u099f\u09ae\u09c7\u09a8\u09cd\u099f\u09c7\u09b0 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af \u09a8\u09c7\u09df\u09be \u09af\u09c7\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7\u0964 \u09ad\u09bf\u09a8\u09cd\u09a8 \u0995\u09a8\u09cd\u09a1\u09bf\u09b6\u09a8\u09c7 \u09ad\u09bf\u09a8\u09cd\u09a8 \u09ad\u09bf\u09a8\u09cd\u09a8 \u09aa\u09a6\u0995\u09cd\u09b7\u09c7\u09aa \u09a8\u09bf\u09a4\u09c7 \u09aa\u09be\u09b0\u09c7 \u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u09b8\u09c7\u09b2 \u098f\u09ae\u09a8 \u0995\u09a8\u09cd\u09a1\u09bf\u09b6\u09a8\u09be\u09b2 \u09b8\u09cd\u099f\u09c7\u099f\u09ae\u09c7\u09a8\u09cd\u099f\u09c7\u09b0 \u09b8\u09be\u09b9\u09be\u09af\u09cd\u09af \u09a8\u09c7\u09df, \u098f\u0996\u09be\u09a8\u09c7 \u0986\u09ae\u09b0\u09be \u09a6\u09c1\u0987 \u09a7\u09b0\u09a3\u09c7\u09b0 \u09a1\u09bf\u09b8\u09bf\u09b6\u09a8 \u09ae\u09c7\u0995\u09bf\u0982 \u09b8\u09cd\u099f\u09c7\u099f\u09ae\u09c7\u09a8\u09cd\u099f\u2026","rel":"","context":"In "\u09b2\u09bf\u09a8\u09be\u0995\u09cd\u09b8 \u098f\u09ac\u0982 \u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0964 Linux and Unix"","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":9639,"position":1},"title":"\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8\u0983 \u09b8\u09c7\u09b2 \u0995\u09bf? 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Unix"","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":9669,"url":"http:\/\/bangla.sitestree.com\/?p=9669","url_meta":{"origin":9639,"position":2},"title":"\u0987\u0989\u09a8\u09bf\u0995\u09cd\u09b8 \u0995\u09c1\u0987\u0995 \u0997\u09be\u0987\u09a1 (Unix – Quick Guide)","author":"Author-Check- Article-or-Video","date":"July 12, 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 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\u09b2\u09c1\u09aa \u09b9\u09b2 \u0986\u09a6\u09b0\u09cd\u09b6 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0982 \u0985\u09a8\u09c1\u09b7\u0999\u09cd\u0997 \u09af\u09be\u09b0 \u09a6\u09cd\u09ac\u09be\u09b0\u09be \u0995\u09ae\u09cd\u09af\u09be\u09a8\u09cd\u09a1\u09c7\u09b0 \u09b8\u09c7\u099f\u0995\u09c7 \u09aa\u09c1\u09a8\u09b0\u09be\u09ac\u09c3\u09a4\u09cd\u09a4\u09bf\u0995 \u09ad\u09be\u09ac\u09c7 \u09b8\u09ae\u09cd\u09aa\u09be\u09a6\u09a8 \u0995\u09b0\u09be \u09af\u09be\u09df\u0964 \u09b8\u09c7\u09b2 \u09aa\u09cd\u09b0\u09cb\u0997\u09cd\u09b0\u09be\u09ae\u09bf\u0999\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09aa\u09cd\u09b0\u09af\u09cb\u099c\u09cd\u09af \u09b2\u09c1\u09aa\u09c7\u09b0 \u09aa\u09cd\u09b0\u0995\u09b0\u09a3\u0997\u09c1\u09b2\u09cb\u0995\u09c7 \u09a8\u09bf\u099a\u09c7 \u09aa\u09b0\u09c0\u0995\u09cd\u09b7\u09be \u0995\u09b0\u09c7 \u09a6\u09c7\u0996\u09be \u09b9\u09ac\u09c7\u0964 \u09b9\u09cb\u09df\u09be\u0987\u09b2 \u09b2\u09c1\u09aa \u09ab\u09b0 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