ctrl a : move to front of line ctrl e : end of line

whoami - userid (jaeyeolee)

man - manual

clear

• cmd + k : clear entirely

pwd -current working directory

ls - list directory contents

• ls -R : recursive

cd - change directory

• cd - : 하면 previous working directory로 돌아감

mkdir -make directory

• mkdir -p winter/seeds/lettuce 하면 없는 directory 만들 수 있음

touch - make file

rm - remove files

• rm -r winter remove non -empty directory
• -ri i : interactive 지울거냐 안지울거냐 물어봄
• -rv v : verbose