Not in a shell. There is no `mkstemp` command, at least on a typical GNU system. There is a `mktemp`, which may very well use the `mkstemp` function in its sour

Not in a shell. There is no `mkstemp` command, at least on a typical GNU system. There is a `mktemp`, which may very well use the `mkstemp` function in its source. I.e. this is about `mktemp(1)`, not `mktemp(3)`.