View Files

ls -la
pwd
cd /home/user
cd ..
cd ~

Create

mkdir newfolder
touch newfile.txt

Delete

rm file.txt
rm -rf folder/    # Force delete — irreversible!

Copy and Move

cp file.txt backup.txt
mv file.txt /tmp/
mv old.txt new.txt

View File Contents

cat file.txt
tail -f logfile.log

Key Points

  • rm -rf is irreversible
  • Linux filenames are case-sensitive
  • Use Tab for auto-completion