$ ps aux USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND timothy 29217 0.0 0.0 11916 4560 pts/21 S+ 08:15 0:00 pine root 29505 0.0 0.0 38196 2728 ? Ss Mar07 0:00 sshd: can [priv] can 29529 0.0 0.0 38332 1904 ? S Mar07 0:00 sshd: can@notty
- USER = user owning the process
- PID = process ID of the process
- %CPU = It is the CPU time used divided by the time the process has been running.
- %MEM = ratio of the process’s resident set size to the physical memory on the machine
- VSZ = virtual memory usage of entire process (in KiB)
- RSS = resident set size, the non-swapped physical memory that a task has used (in KiB)
- TTY = controlling tty (terminal)
- STAT = multi-character process state
- START = starting time or date of the process
- TIME = cumulative CPU time
- COMMAND = command with all its arguments
See the ps man page for more info.