dupeGuru - dupeGuru is a tool for finding duplicate files on your computer.
htop - htop - an interactive process viewer for Unix. This is htop, an interactive process viewer for Unix systems. It is a text-mode application (for console or X terminals) and requires ncurses. Latest release: htop 2.
AllDup - AllDup is a freeware tool for searching and removing file duplicates on your Windows computer.
gtop - System monitoring dashboard for terminal
Czkawka - Multi functional app to find duplicates, empty folders, similar images etc.
nmon - This systems administrator, tuner, benchmark tool gives you a huge amount of important performance...