GUI
CLI
- cups
- ink (ink levels)
- lpd
- lprng
GUI
- arK
CLI
GUI
- gparted
CLI
- fdisk
- cdisk
- parted
GUI
- synaptic
- Software Center
CLI
- apt-get
- aptitude
- urpmi
- yum
- zypper
GUI
CLI
- whohas (Looks up availability of packages for various distros)
GUI
- Firewall
CLI
- flex-fw
- iptables
- ufw
GUI
CLI
- sysv-rc-conf
- systemctl
GUI
CLI
GUI
- network manager
CLI
- ifconfig
- iwconfig
GUI
CLI
GUI
CLI
- cleanlinks
- fdupes (finds duplicates)
- findimagedupes
GUI
CLI