- Basic commands: date, who, whoami, w, man, touch, cat, script, sleep, time, wc, sort, tail, diff, cmp, grep, locate
- File system navigation: cd, ls, cp, mv, rm, mkdir, pwd
- Controlling programs using CTRL-c / CTRL-d / CTRL-z
- Basic System Monitoring: top, nproc, lscpu, free
- Remote access: scp, ssh
