Difference between revisions of "Ps"

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* Show the top cpu-consuming processes:
 
* Show the top cpu-consuming processes:
 
  ps -eo pcpu,pid,user,args | [[sort]] -k 1 -r | [[head]] -10
 
  ps -eo pcpu,pid,user,args | [[sort]] -k 1 -r | [[head]] -10
 +
* Show ''since when'' a process is running:
 +
ps -ef
 +
[...]
 +
root    12228 23543  0 '''''10:27''''' pts/10  00:00:00 /bin/bash
 +
[...]
  
 
= See also =
 
= See also =
 
* [http://man-wiki.net/index.php/ps ps' man page]
 
* [http://man-wiki.net/index.php/ps ps' man page]

Revision as of 10:28, 16 July 2011

ps is a command to list all processes. You can invoke it like this:

ps
ps -A
ps -ef
ps -auxf

Usecases

  • Show all running processes:
ps auxf | grep -E "^[^ ]+ +[^ ]+ +[^ ]+ +[^ ]+ +[^ ]+ +[^ ]+ +[^ ]+ +R"
  • Show the top cpu-consuming processes:
ps -eo pcpu,pid,user,args | sort -k 1 -r | head -10
  • Show since when a process is running:
ps -ef 
[...]
root     12228 23543  0 10:27 pts/10   00:00:00 /bin/bash
[...]

See also