minix/man/man1/ps.1

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2005-05-02 15:01:42 +02:00
.TH PS 1
.SH NAME
ps \- process status
.SH SYNOPSIS
\fBps \fR[\fB\-alxU\fR] [\fBkernel mm fs\fR]\fR
.br
.de FL
.TP
\\fB\\$1\\fR
\\$2
..
.de EX
.TP 20
\\fB\\$1\\fR
# \\$2
..
.SH OPTIONS
.FL "\-a" "Print all processes with controlling terminals"
.FL "\-l" "Give long listing"
.FL "\-x" "Include processes without a terminal"
.SH EXAMPLES
.EX "ps \-axl" "Print all processes and tasks in long format"
.SH DESCRIPTION
.PP
\fIPs\fR prints the status of active processes. Normally only the caller's own
processes are listed in short format (the PID, TTY, TIME and CMD fields as
explained below). The long listing contains:
.PP
.ta 0.5i 1.0i
F Kernel flags:
001: free slot
002: no memory map
004: sending;
010: receiving
020: inform on pending signals
040: pending signals
100: being traced.
.PP
S
State:
R: runnable
W: waiting (on a message)
S: sleeping (i.e.,suspended on MM or FS)
Z: zombie
T: stopped
.PP
UID, PID, PPID, PGRP
The user, process, parent process and process group ID's.
.PP
SZ
Size of the process in kilobytes.
.PP
RECV
Process/task on which a receiving process is waiting or sleeping.
.PP
TTY
Controlling tty for the process.
.PP
TIME
Process' cumulative (user + system) execution time.
.PP
CMD Command line arguments of the process.
.PP
.PP
The files \fI/dev/{mem,kmem}\fR are used to read the system tables and command
line arguments from. Terminal names in \fI/dev\fR are used to generate the
mnemonic names in the TTY column, so \fIps\fR is independent of terminal naming
conventions.