ls
Lists the content of a directory
alias
Define or display aliases
unalias
Remove alias definitions
pwd
Prints the working directory
cp
Copies files and directories
rm
Remove files and directories
mv
Moves (renames) files and directories
man
Displays manual page of other commands
chmod
Changes file permissions
exit
Exits the current shell session
sudo
Executes commands as superuser
shutdown
Shutdowns your machine
htop
Displays processes and resources information
unzip
Extracts compressed ZIP files
apt, yum, pacman
Package managers
echo
Displays lines of text
ps
Reports shell processes status
ping
Tests network connectivity
vim
Efficient text editing
history
Shows a list of previous commands
passwd
Changes user password
which
Returns the full binary path of a program
shred
Overwrites a file to hide its contents
less
Inspects files interactively
tail
Displays last lines of a file
head
Displays first lines of a file
grep
Prints lines that match patterns
whatis
Shows single-line descriptions
uname
Displays OS information
neofetch
Displays OS and hardware information
find
Searches for files that follow a pattern
wget
Retrieves files from the internet