Display the top ten running processes - sorted by memory usage

ps axo %mem,pid,euser,cmd | sort -nr | head -n 10
Sample Output
11.5  1957 lainme   firefox http://twitter.com/keyi_bu/status/256446157193093120/photo/1
 3.4  1813 lainme   /usr/bin/gnome-shell
 3.3  1867 lainme   /usr/bin/python2 /usr/bin/hotot-gtk3
 2.6  5183 lainme   conky
 1.5  1645 root     /usr/bin/Xorg :0 -br -verbose -auth /var/run/gdm/auth-for-gdm-3aSYDI/database -nolisten tcp vt8
 1.0  1854 lainme   pidgin
 1.0 18439 lainme   fcitx
 0.9  1998 lainme   /usr/lib/firefox/plugin-container /usr/lib/mozilla/plugins/libflashplayer.so -greomni /usr/lib/firefox/omni.ja 1957 plugin
 0.4  1821 lainme   nm-applet
 0.4  1785 lainme   /usr/lib/gnome-settings-daemon/gnome-settings-daemon

By: lainme
2012-10-12 03:27:26

4 Alternatives + Submit Alt

  • ps returns all running processes which are then sorted by the 4th field in numerical order and the top 10 are sent to STDOUT. Show Sample Output

    ps aux | sort -nk +4 | tail
    root · 2009-01-23 17:12:33 136

  • 5
    ps aux --sort -rss | head
    unixmonkey42657 · 2012-11-14 17:47:50 2
  • Display the top processes sorted by memory usage. This is mostly useful because it's easy to remember and can give me a quick 'top' view of a group of servers when used over pssh. (Though I'd recommend |head -10 to minimize the output). Show Sample Output

    top -b -o +%MEM |head -17
    dak1n1 · 2016-03-16 22:14:34 3
  • This command is better for just displaying the memory in KiB. Show Sample Output

    ps -eo size,command --sort -size | head
    bracourt · 2016-09-30 20:03:21 3

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