Useful Linux Commands

Warm up commands

man

man

history

history

who

1. who: display who is logged in
2. who -b:
3. who -q:
4. who -r:
5. who -u:
6. who am i:

whoami

whoami: displays effective username

id

1. id:
2. id -u:
3. id -un:
4. id -p:

echo

echo "Hello, World!

Files and directories

ls

1. ls
2. ls -la
3. ls -lrt
4. ls -lrth

pwd

cd

cp

mv

Find and search

find

grep

sed

awk

sort

uniq