Basic Commands (1–20)
ls - List directory contents.
cd - Change directory.
pwd - Print working directory.
mkdir - Create a new directory.
rm - Remove files or directories.
rmdir - Remove empty directories.
touch - Create a new empty file.
cp - Copy files or directories.
mv - Move or rename files or directories.
cat - Display the contents of a file.
less - View a file page by page.
more - View a file page by page.
echo - Print text or variables to the terminal.
clear - Clear the terminal screen.
history - Show command history.
whoami - Display the current user.
id - Show user and group IDs.
df - Display disk space usage.
du - Show file and directory sizes.
man - Display the manual for a command.
Intermediate Commands (21–40)
grep - Search for patterns in files.
find -
Basic Commands (1–20)
ls - List directory contents.
cd - Change directory.
pwd - Print working directory.
mkdir - Create a new directory.
rm - Remove files or directories.
rmdir - Remove empty directories.
touch - Create a new empty file.
cp - Copy files or directories.
mv - Move or rename files or directories.
cat - Display the contents of a file.
less - View a file page by page.
more - View a file page by page.
echo - Print text or variables to the terminal.
clear - Clear the terminal screen.
history - Show command history.
whoami - Display the current user.
id - Show user and group IDs.
df - Display disk space usage.
du - Show file and directory sizes.
man - Display the manual for a command.
Intermediate Commands (21–40)
grep - Search for patterns in files.
find -