[Solved] Show lines above and below! Post: 302561792

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[Solved] Shell : Can someone show me how to used these ?

${var%pattern} removes the shortest suffix of $var patching pattern ${var%%pattern} removes the longest suffix of $var patching pattern ${var#pattern} removes the shortest prefix of $var patching pattern ${var##pattern} removes the longest prefix of $var patching pattern

LEARN ABOUT MOJAVE

syscallbypid.d

syscallbypid.d(1m)						   USER COMMANDS						syscallbypid.d(1m)

NAME

       syscallbypid.d - syscalls by process ID. Uses DTrace.

SYNOPSIS

       syscallbypid.d

DESCRIPTION

       This  reports  the  number  of  each  type of system call made by PID.  This is useful to identify which process is causing the most system
       calls.

       This is based on a script from DExplorer.

       Since this uses DTrace, only users with root privileges can run this command.

EXAMPLES

       This samples until Ctrl-C is hit.
	      # syscallbypid.d

FIELDS

       PID    process ID

       CMD    process name

       SYSCALL
	      system call name

       COUNT  number of system calls made in this sample

DOCUMENTATION

       See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with ver-
       bose descriptions explaining the output.

EXIT

       syscallbypid.d will sample until Ctrl-C is hit.

AUTHOR

       Brendan Gregg [Sydney, Australia]

SEE ALSO

       procsystime(1M), dtrace(1M), truss(1)

version 1.00							   Jun 28, 2005 						syscallbypid.d(1m)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Need ls to show number of lines in each file

Discussion started by: GMMike

2. UNIX for Dummies Questions & Answers

How can you show lines surrounding a search string?

Discussion started by: robster

3. Shell Programming and Scripting

grep to show lines only after pattern

Discussion started by: wannalearn

4. Shell Programming and Scripting

Grep string but also it will show the next 5 lines

Discussion started by: thepurple