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1.1 ! root 1: .TH SYSTEM 3F "18 July 1983" ! 2: .UC 4 ! 3: .SH NAME ! 4: system \- execute a \s-2UNIX\s0 command ! 5: .SH SYNOPSIS ! 6: .B integer function system (string) ! 7: .br ! 8: .B character*(*) string ! 9: .SH DESCRIPTION ! 10: .I System ! 11: causes ! 12: .I string ! 13: to be given to your shell ! 14: as input as if the string had been typed as a command. ! 15: If environment variable ! 16: .B SHELL ! 17: is found, its value will be used as the command interpreter (shell); ! 18: otherwise ! 19: .IR sh (1) ! 20: is used. ! 21: .PP ! 22: The current process waits until the command terminates. ! 23: The returned value will be the exit status of the shell. ! 24: See ! 25: .IR wait (2) ! 26: for an explanation of this value. ! 27: .SH FILES ! 28: .ie \nM /usr/ucb/lib/libU77.a ! 29: .el /usr/lib/libU77.a ! 30: .SH "SEE ALSO" ! 31: exec(2), wait(2), system(3) ! 32: .SH BUGS ! 33: .I String ! 34: can not be longer than NCARGS\-50 characters, as defined in ! 35: .RI < sys/param.h >.
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