Man Setsid

WEB setsid: Creating a Session and Setting the Process Group ID

Synopsis

#include <unistd.h>
pid_t setsid(void);

Description

setsid runs a program in a new session. The command calls fork(2) if it is not already a process group leader. setsid creates a new session if the calling process is not a process group leader. The calling process becomes the leader of the new session.