3 ms·
It doesn't have to spawn a subprocess. Some shells (like those in Busybox and Toybox) reduce common POSIX userland tools to a function call.
by greyfade 13y ago
It doesn't have to spawn a subprocess. Some shells (like those in Busybox and Toybox) reduce common POSIX userland tools to a function call.
- robotresearcher 13y agoRight. And even it was implemented as a subprocess, it's still idiomatic shell code, i.e. what you would Actually Do.