[unix-history] / usr / man / man3 / system.3

.TH SYSTEM 3 "19 January 1983"
.SH NAME
system \- issue a shell command
.SH SYNOPSIS
.nf
.B system(string)
.B char *string;
.fi
.SH DESCRIPTION
.I System
causes the
.I string
to be given to
.IR  sh (1)
as input as if the string had been typed as a command
at a terminal.
The current process waits until the shell has
completed, then returns the exit status of the shell.
.SH "SEE ALSO"
popen(3S),
execve(2),
wait(2)
.SH DIAGNOSTICS
Exit status 127 indicates the shell couldn't be executed.
Commit	Line	Data
bfb5c455 C	1	.TH SYSTEM 3 "19 January 1983"
	2	.SH NAME
	3	system \- issue a shell command
	4	.SH SYNOPSIS
	5	.nf
	6	.B system(string)
	7	.B char *string;
	8	.fi
	9	.SH DESCRIPTION
	10	.I System
	11	causes the
	12	.I string
	13	to be given to
	14	.IR sh (1)
	15	as input as if the string had been typed as a command
	16	at a terminal.
	17	The current process waits until the shell has
	18	completed, then returns the exit status of the shell.
	19	.SH "SEE ALSO"
	20	popen(3S),
	21	execve(2),
	22	wait(2)
	23	.SH DIAGNOSTICS
	24	Exit status 127 indicates the shell couldn't be executed.