Ps: Difference between revisions

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Skips the display  of the header line. Useful when counting lines in the ps output with <tt>wc -l</tt>.
Skips the display  of the header line. Useful when counting lines in the ps output with <tt>wc -l</tt>.
==-l==
Displays the process state (S) and, if sleeping, what kernel channel it is waiting on (WCHAN).


=Columns=
=Columns=

Revision as of 00:19, 3 May 2018

Internal

Overview

ps gets its information from /proc/<pid>/stat files.

Options

-A, -e

Select all processes. -A and -e are identical.

-f

Full-format listing.

-L

Show threads.

The thread ID is listed under the "LWP" column.

--forest

Hierarchical display of the process tree.

--no-headers

Skips the display of the header line. Useful when counting lines in the ps output with wc -l.

-l

Displays the process state (S) and, if sleeping, what kernel channel it is waiting on (WCHAN).

Columns

PID

LWP

The thread ID.

NLWP

The number of threads for the process.