Your company here — click to reach over 10,000 unique daily visitors

setsid - Man Page

run a program in a new session

Examples (TL;DR)


setsid [options] program [arguments]


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.


-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.


Rick Sladkey

See Also


Reporting Bugs

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


The setsid command is part of the util-linux package which can be downloaded from Linux Kernel Archive.

Referenced By

setsid(2), socat1(1).

2024-04-24 util-linux 2.40.1