Difference between revisions of "Useful Linux commands"

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.            Directory for search (current directory)
 
.            Directory for search (current directory)
 
</pre>
 
</pre>
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 +
== How to grep ps output with headers <ref>https://serverfault.com/questions/268757/how-to-grep-ps-output-with-headers</ref> ==
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<code>
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ps -ef | egrep "Download|PID"
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</code>
  
 
== FreeBSD ==
 
== FreeBSD ==
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     executed.
 
     executed.
 
</pre>
 
</pre>
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== References ==
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<references />

Revision as of 16:36, 11 December 2018

grep

grep -nr 'yourString*' .

The dot at the end searches the current directory. Meaning for each parameter:

-n            Show relative line number in the file
'yourString*' String for search, followed by a wildcard character
-r            Recursively search subdirectories listed
.             Directory for search (current directory)

How to grep ps output with headers [1]

ps -ef | egrep "Download|PID"

FreeBSD

  • su:
     The su utility requests appropriate user credentials via PAM and switches
     to	that user ID (the default user is the superuser).  A shell is then
     executed.


References