A random collection of command line helpers. Most derive from the GNU part of GNU/Linux, while others are third party packages or self-compiled.
daemons + cli repl helper ! !! | <><<>> -- #!env cat awk sed grep tail-head? watch curl wget ifconfig lsof dig nslookup service / (start / stop) imapsync OfflineIMAP opensmtpd postfix exim openssl ssh git ncdu mc nano vi vim emacs dovecot courier radicale baikal prosody node npm pm2 python ruby perl xwiki libxml libmozjs sh bash docker
There is also stuff which we find obscure, like:
* PackageKit * Plymouth * Evolution/Empathy
etckeeper