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| [9] | 1 | .\" @(#)system.3 6.1 (Berkeley) 5/15/85
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| 2 | .\"
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| 3 | .TH SYSTEM 3 "May 15, 1985"
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| 4 | .AT 3
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| 5 | .SH NAME
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| 6 | system \- issue a shell command
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| 7 | .SH SYNOPSIS
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| 8 | .nf
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| 9 | .ft B
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| 10 | #include <stdlib.h>
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| 11 |
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| 12 | int system(const char *\fIstring\fP)
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| 13 | .fi
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| 14 | .SH DESCRIPTION
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| 15 | .B System
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| 16 | causes the
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| 17 | .I string
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| 18 | to be given to
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| 19 | .BR sh (1)
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| 20 | as input as if the string had been typed as a command
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| 21 | at a terminal.
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| 22 | The current process waits until the shell has
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| 23 | completed, then returns the exit status of the shell.
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| 24 | .SH "SEE ALSO"
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| 25 | .BR sh (1),
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| 26 | .BR popen (3),
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| 27 | .BR execve (2),
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| 28 | .BR wait (2).
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| 29 | .SH DIAGNOSTICS
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| 30 | Exit status 127 indicates the shell couldn't be executed.
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