.TH SYSTEM 3F .UC .SH NAME system \- execute a unix command .SH SYNOPSIS .B integer function system (string) .br .B character*(*) string .SH DESCRIPTION .I System causes .I string to be given to your shell as input as if the string had been typed as a command at a terminal. If environment variable .B SHELL is not found, .IR sh (1) is used. .PP The current process waits until the command terminates. The returned value will be the exit status of the shell. See .IR wait (2) for an explanation of this value. .SH FILES /usr/lib/libU77.a .SH "SEE ALSO" execve(2), wait(2), system(3) .SH BUGS .I String can not be longer than 255 characters.