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This page displays the COHERENT manpage for exec [Execute command directly].
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exec -- Command Execute command directly exec [command] The shell normally executes commands through the system call fork(), which creates a new process. The shell command exec directly executes the given command through one of the exec() functions instead. Normally, this terminates execution of the current shell. If the command consists only of redirection specifications, exec redirects the input or output of the current shell accordingly without terminating it. If the command is omitted, exec has no effect. See Also commands, execution, fork(), ksh, sh, xargs POSIX Standard, §3.1.2
