If this is just catering to Linux sysadmins, it should be stated there in the title If it's not, perhaps you want to try use POSIX-compatible commands / script

If this is just catering to Linux sysadmins, it should be stated there in the title If it's not, perhaps you want to try use POSIX-compatible commands / scripts, or at least be cross-platform, at least the major ones Maybe can add Perl tutorials as well, as it's widely available (pre-installed) in most servers