Useful Linux Commands - Part 7

The following are a list of commonly used Linux Administration Commands.

Process Commands

Linux Command Description
top Overview of processes, memory and System Load along with PIDs
ps Display current processes
ps aux Display every process on system
ps axjf Display all process in a tree like format
ps -fu userid Display processes owned by userid
pstree Display a tree of processes
pgrep process_name Lookup and display process by name
pgrep -u userid Displays PID information for specified user
pidstat Display statistics on individual tasks
pkill pattern Kill processes with name matching pattern
kill PID Kills specified PID
killall name Kills all processes with the name name