phpman > man > setsid(1)

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TLDR: setsid (tldr-pages)

Run a program in a new session if the calling process is not a process group leader.

  • Run a program in a new session
    setsid {{program}}
  • Run a program in a new session discarding the resulting output and error
    setsid {{program}} > /dev/null 2>&1
  • Run a program creating a new process
    setsid {{-f|--fork}} {{program}}
  • Return the exit code of a program as the exit code of setsid when the program exits
    setsid {{-w|--wait}} {{program}}
  • Run a program in a new session setting the current terminal as the controlling terminal
    setsid {{-c|--ctty}} {{program}}
SETSID(1)                                   User Commands                                  SETSID(1)



NAME
       setsid - run a program in a new session

SYNOPSIS
       setsid [options] program [arguments]

DESCRIPTION
       setsid runs a program in a new session. The command calls fork(2) if already a process group
       leader. Otherwise, it executes a program in the current process. This default behavior is
       possible to override by the --fork option.

OPTIONS
       -c, --ctty
           Set the controlling terminal to the current one.

       -f, --fork
           Always create a new process.

       -w, --wait
           Wait for the execution of the program to end, and return the exit status of this program
           as the exit status of setsid.

       -V, --version
           Display version information and exit.

       -h, --help
           Display help text and exit.

AUTHORS
       Rick Sladkey <jrs AT world.com>

SEE ALSO
       setsid(2)

REPORTING BUGS
       For bug reports, use the issue tracker at https://github.com/karelzak/util-linux/issues.

AVAILABILITY
       The setsid command is part of the util-linux package which can be downloaded from Linux
       Kernel Archive <https://www.kernel.org/pub/linux/utils/util-linux/>.



util-linux 2.37.2                            2021-06-02                                    SETSID(1)

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