Man page - timeout(1)
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apt-get install coreutils
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TIMEOUT
NAMESYNOPSIS
DESCRIPTION
Exit status:
BUGS
AUTHOR
REPORTING BUGS
SEE ALSO
NAME
timeout - run a command with a time limit
SYNOPSIS
timeout
[
OPTION
]
DURATION COMMAND
[
ARG
]...
timeout
[
OPTION
]
DESCRIPTION
Start COMMAND, and kill it if still running after DURATION.
Mandatory arguments to long options are mandatory for short options too.
|
-f , --foreground |
when not running timeout directly from a shell prompt, allow COMMAND to read from the TTY and get TTY signals; in this mode, children of COMMAND will not be timed out
|
-k , --kill-after = DURATION |
also send a KILL signal if COMMAND is still running this long after the initial signal was sent
|
-p , --preserve-status |
exit with the same status as COMMAND, even when the command times out
|
-s , --signal = SIGNAL |
specify the signal to be sent on timeout; SIGNAL may be a name like ’HUP’ or a number; see ’kill -l ’ for a list of signals
-v , --verbose
diagnose to stderr any signal sent upon timeout
|
--help |
display this help and exit |
--version
output version information and exit
DURATION is a floating point number with an optional suffix: ’s’ for seconds (the default), ’m’ for minutes, ’h’ for hours or ’d’ for days. A duration of 0 disables the associated timeout.
Upon timeout, send the TERM signal to COMMAND, if no other SIGNAL specified. The TERM signal kills any process that does not block or catch that signal. It may be necessary to use the KILL signal, since this signal can’t be caught.
Exit status:
|
124 |
if COMMAND times out, and --preserve-status is not specified |
||
|
125 |
if the timeout command itself fails |
||
|
126 |
if COMMAND is found but cannot be invoked |
||
|
127 |
if COMMAND cannot be found |
||
|
137 |
if COMMAND (or timeout itself) is sent the KILL (9) signal (128+9) |
||
|
- |
the exit status of COMMAND otherwise |
BUGS
Some platforms don’t currently support timeouts beyond the year 2038.
AUTHOR
Written by Padraig Brady.
REPORTING BUGS
GNU coreutils
online help: <https://www.gnu.org/software/coreutils/>
Report any translation bugs to
<https://translationproject.org/team/>
SEE ALSO
kill (1)
Full
documentation
<https://www.gnu.org/software/coreutils/timeout>
or available locally via: info '(coreutils) timeout
invocation'
Packaged by
Debian (9.7-3)
Copyright © 2025 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<https://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and
redistribute it.
There is NO WARRANTY, to the extent permitted by law.