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The options are as follows:
-A Display information about other users' processes, including those without controlling ter-
minals.
-a Display information about other users' processes as well as your own. This will skip any
processes which do not have a controlling terminal, unless the -x option is also specified.
-C Change the way the CPU percentage is calculated by using a ``raw'' CPU calculation that
ignores ``resident'' time (this normally has no effect).
-c Change the ``command'' column output to just contain the executable name, rather than the
full command line.
-d Like -A, but excludes session leaders.
-E Display the environment as well. This does not reflect changes in the environment after
process launch.
-e Identical to -A.
-f Display the uid, pid, parent pid, recent CPU usage, process start time, controlling tty,
elapsed CPU usage, and the associated command. If the -u option is also used, display the
user name rather then the numeric uid. When -o or -O is used to add to the display follow-
ing -f, the command field is not truncated as severely as it is in other formats.
-G Display information about processes which are running with the specified real group IDs.
-g Display information about processes with the specified process group leaders.
-h Repeat the information header as often as necessary to guarantee one header per page of
information.
-j Print information associated with the following keywords: user, pid, ppid, pgid, sess,
jobc, state, tt, time, and command.
-L List the set of keywords available for the -O and -o options.
-l Display information associated with the following keywords: uid, pid, ppid, flags, cpu,
pri, nice, vsz=SZ, rss, wchan, state=S, paddr=ADDR, tty, time, and command=CMD.
-M Print the threads corresponding to each task.
-m Sort by memory usage, instead of the combination of controlling terminal and process ID.
-O Add the information associated with the space or comma separated list of keywords speci-
fied, after the process ID, in the default information display. Keywords may be appended
with an equals (`=') sign and a string. This causes the printed header to use the speci-
fied string instead of the standard header.
-o Display information associated with the space or comma separated list of keywords speci-
fied. Multiple keywords may also be given in the form of more than one -o option. Key-
words may be appended with an equals (`=') sign and a string. This causes the printed
header to use the specified string instead of the standard header. If all keywords have
empty header texts, no header line is written.
-p Display information about processes which match the specified process IDs.
-r Sort by current CPU usage, instead of the combination of controlling terminal and process
ID.
-S Change the way the process time is calculated by summing all exited children to their par-
ent process.
-T Display information about processes attached to the device associated with the standard
input.
-t Display information about processes attached to the specified terminal devices.
-U Display the processes belonging to the specified real user IDs.
-u Display the processes belonging to the specified usernames.
-v Display information associated with the following keywords: pid, state, time, sl, re,
pagein, vsz, rss, lim, tsiz, %cpu, %mem, and command. The -v option implies the -m option.
-w Use 132 columns to display information, instead of the default which is your window size.
If the -w option is specified more than once, ps will use as many columns as necessary
without regard for your window size. When output is not to a terminal, an unlimited number
of columns are always used.
-X When displaying processes matched by other options, skip any processes which do not have a
controlling terminal.
-x When displaying processes matched by other options, include processes which do not have a
controlling terminal. This is the opposite of the -X option. If both -X and -x are speci-
fied in the same command, then ps will use the one which was specified last.
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