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📄 system.3

📁 unix v7是最后一个广泛发布的研究型UNIX版本
💻 3
字号:
.TH SYSTEM 3.SH NAMEsystem \- issue a shell command .SH SYNOPSIS.B system(string).br.B char *string;.SH DESCRIPTION.I Systemcauses the.I stringto be given to.IR  sh (1)as input as if the string had been typed as a commandat a terminal.The current process waits until the shell hascompleted, then returns the exit status of the shell..SH "SEE ALSO"popen(3),exec(2), wait(2).SH DIAGNOSTICSExit status 127 indicates the shell couldn't be executed.

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