SETSID(1) User Commands SETSID(1)

setsid - run a program in a new session

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 <>


For bug reports, use the issue tracker at

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

2024-04-01 util-linux 2.40