Basic Linux Commands
1. whoami, who
2. users, uname, uname -r -a
3. pwd, ls, ls -r, ls -a, ls -R, man ls
4. mkdir, rmdir
5. lsblk, df, wget <url>
6. cal, date
7. cp, mv, rm
8. touch, type > file, echo
9. ifconfig, dig, traceroute
10. ps, top, kill
11. yes your_text, factor 128
12. shutdown now, -r, -c
User Related Commands
1. adduser username
2. useradd -d -s -p
3. userdel -rf
4. groupadd groupname
5. groupdel groupname
6. usermod -g name
7. cat etc/passwd (Users)
8. cat etc/shadow (Users Password)
9. cat etc/group (Groups)
10. cat etc/gshadow (Groups Password)
