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UNIX in a Nutshell: System V Edition

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UNIX Commands
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ps

ps [options]

Report on active processes. In options, list arguments should either be separated by commas or put in double quotes. In comparing the amount of output produced, note that -e > -d > -a and -l > -f. In the BSD version, options work much differently; you can also display data for a single process.

Options

-a

List all processes except group leaders and processes not associated with a terminal.

-c

List scheduler data set by priocntl.

-d

List all processes except session leaders.

-e

List all processes.

-f

Produce a full listing.

-glist

List data only for specified list of group leader ID numbers (i.e., processes with same ID and group ID).

-j

Print the process group ID and session ID.

-l

Produce a long listing.

-nlist

Use the alternate list of names (default is /unix); obsolete as of Release 4.

-plist

List data only for process IDs in list.

-slist

List data only for session leader IDs in list.

-tlist

List data only for terminals in list (e.g., tty1).

-ulist

List data only for usernames in list.


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