![C. McEnroe](/assets/img/avatar_default.png)
> If a command is not found, the exit status shall be 127. If the > command name is found, but it is not an executable utility, the exit > status shall be 126. Applications that invoke utilities without using > the shell should use these exit status values to report similar errors. [1]: https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_08_02
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