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Process management

Display all running processes​

ps aux

Display only PID, USER and COMMAND columns​

ps -eo pid,user,args

Other common options:

  • rss - Process' resident set size, i.e. how much RAM is currently allocated to it (in kilobytes)
  • pmem - Ratio of rss to total physical memory on the machine (expressed as a percentage)
  • --sort prop - Sort processes by specified field (default order is ascending, - can be used to reverse it, i.e. -pid)

Find process by name​

pgrep procName

Useful options:

  • -a adds the full command line to the output.
  • -l adds only the name of the process.
  • -i makes the search case insensitive.
  • -u user will list the processes owned by user.