timeout(1)

1TIMEOUT(1)                       User Commands                      TIMEOUT(1)
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NAME

6       timeout - run a command with a time limit
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SYNOPSIS

9       timeout [OPTION] DURATION COMMAND [ARG]...
10       timeout [OPTION]
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DESCRIPTION

13       Start COMMAND, and kill it if still running after DURATION.
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15       Mandatory  arguments  to  long  options are mandatory for short options
16       too.
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18       --preserve-status
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20              exit with the same status as COMMAND, even when the
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22              command times out
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24       --foreground
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26              when not running timeout directly from a shell prompt,
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28              allow COMMAND to read from the TTY and get TTY signals; in  this
29              mode, children of COMMAND will not be timed out
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31       -k, --kill-after=DURATION
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33              also send a KILL signal if COMMAND is still running
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35              this long after the initial signal was sent
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37       -s, --signal=SIGNAL
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39              specify the signal to be sent on timeout;
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41              SIGNAL may be a name like 'HUP' or a number; see 'kill -l' for a
42              list of signals
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44       -v, --verbose
45              diagnose to stderr any signal sent upon timeout
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47       --help display this help and exit
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49       --version
50              output version information and exit
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52       DURATION is a floating point number with an optional  suffix:  's'  for
53       seconds  (the default), 'm' for minutes, 'h' for hours or 'd' for days.
54       A duration of 0 disables the associated timeout.
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56       Upon timeout, send the TERM signal to COMMAND, if no other SIGNAL spec‐
57       ified.   The TERM signal kills any process that does not block or catch
58       that signal.  It may be necessary to use the KILL  signal,  since  this
59       signal can't be caught.
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61   EXIT status:
62       124    if COMMAND times out, and --preserve-status is not specified
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64       125    if the timeout command itself fails
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66       126    if COMMAND is found but cannot be invoked
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68       127    if COMMAND cannot be found
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70       137    if  COMMAND  (or  timeout  itself)  is  sent the KILL (9) signal
71              (128+9)
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73       -      the exit status of COMMAND otherwise
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BUGS

76       Some platforms don't currently support timeouts beyond the year 2038.
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AUTHOR

79       Written by Padraig Brady.
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REPORTING BUGS

82       GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
83       Report any translation bugs to <https://translationproject.org/team/>
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COPYRIGHT

86       Copyright © 2021 Free Software Foundation, Inc.   License  GPLv3+:  GNU
87       GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
88       This  is  free  software:  you  are free to change and redistribute it.
89       There is NO WARRANTY, to the extent permitted by law.
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