.TH EXIT 2 .UC 4 .SH NAME _exit, exit \- exit a process .SH SYNOPSIS .B #include .br .B volatile void _exit (int status) .br .B volatile void exit (int status) .SH DESCRIPTION .B _exit ( .I status ) exits with .I status , but does not run any .B atexit() specified functions, where as .B exit ( .I status ) exits with .I status and runs any .B atexit() specified exit functions. .SH FILES linux/kernel/exit.c .br /usr/include/linux/sys.h .br /usr/include/unistd.h .SH SEE ALSO .B atexit(2) .SH BUGS There may be a limited number of .B atexit() functions available. exit belongs in section 3.