setsid

Run a program in a new session if the calling process is not a process group leader. The created session is by default not controlled by the current terminal. More information: https://manned.org/setsid.

• 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}}