68 lines
1.5 KiB
Groff
68 lines
1.5 KiB
Groff
.TH PS 1
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.SH NAME
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ps \- process status
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.SH SYNOPSIS
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\fBps \fR[\fB\-alxU\fR] [\fBkernel mm fs\fR]\fR
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.br
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.de FL
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.TP
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\\fB\\$1\\fR
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\\$2
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..
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.de EX
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.TP 20
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\\fB\\$1\\fR
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# \\$2
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..
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.SH OPTIONS
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.FL "\-a" "Print all processes with controlling terminals"
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.FL "\-l" "Give long listing"
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.FL "\-x" "Include processes without a terminal"
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.SH EXAMPLES
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.EX "ps \-axl" "Print all processes and tasks in long format"
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.SH DESCRIPTION
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.PP
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\fIPs\fR prints the status of active processes. Normally only the caller's own
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processes are listed in short format (the PID, TTY, TIME and CMD fields as
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explained below). The long listing contains:
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.PP
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.ta 0.5i 1.0i
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F Kernel flags:
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001: free slot
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002: no memory map
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004: sending;
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010: receiving
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020: inform on pending signals
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040: pending signals
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100: being traced.
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.PP
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S
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State:
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R: runnable
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W: waiting (on a message)
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S: sleeping (i.e.,suspended on MM or FS)
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Z: zombie
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T: stopped
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.PP
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UID, PID, PPID, PGRP
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The user, process, parent process and process group ID's.
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.PP
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SZ
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Size of the process in kilobytes.
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.PP
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RECV
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Process/task on which a receiving process is waiting or sleeping.
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.PP
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TTY
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Controlling tty for the process.
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.PP
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TIME
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Process' cumulative (user + system) execution time.
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.PP
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CMD Command line arguments of the process.
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.PP
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.PP
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The files \fI/dev/{mem,kmem}\fR are used to read the system tables and command
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line arguments from. Terminal names in \fI/dev\fR are used to generate the
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mnemonic names in the TTY column, so \fIps\fR is independent of terminal naming
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conventions.
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