Each Linux command returns an exit code, with 0 indicating success and non-zero values indicating failure. You can use the $? variable to access the exit code and control program flow in scripts. Be ...

Many hands make light work.

Systemd is currently used in Linux distributions including Fedora, Debian, Arch, and Red Hat. So a large swath of the Linux community could end up adopting the new errors messages. However, Systemd ...