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Unix Version 7 - man page for system (v7 section 3)

SYSTEM(3)			     Library Functions Manual				SYSTEM(3)

NAME
       system - issue a shell command

SYNOPSIS
       system(string)
       char *string;

DESCRIPTION
       System  causes the string to be given to 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.

SEE ALSO
       popen(3), exec(2), wait(2)

DIAGNOSTICS
       Exit status 127 indicates the shell couldn't be executed.

											SYSTEM(3)


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