Documented in Volume 1 of the UNIX Programmers Manual.
% ps
see what current processes you have running from your terminal.
% ps l
see long-format list of current processes. See man(1) of ps for an
explanation of the figures shown with the l flag.
% ps t0d
see what processes terminal tty0d is running.
% ps -ax
see all processes in the system.
% ps -au
see, for this instant, all processes on the system, ordered according
to resources which are being used. This is useful for identifying who
is putting the highest loads on the system.
% ps -ut0d
see a formatted list of processes of terminal tty0d:
USER PID %CPU %MEM SZ RSS TT STAT TIME COMMAND
root 7711 1.8 0.4 52 20 0d S 0:14 /etc/rlogind
kemp 8949 0.6 0.2 31 9 0d S 0:00 script /ta/kemp/X
kemp 8950 0.6 0.3 39 12 0d S 0:00 script /ta/kemp/X
kemp 7712 0.1 0.5 120 28 0d I 0:05 -csh (csh)
kemp 8617 0.0 1.7 254 105 0d T 0:20 vi unix/vi
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