5. Working with commands type: 특정 명령어가 어떤 종류인지 보여주는 명령어 명령어 종류 executable program built into the shell itself shell function alias root@37ba9ce1e69f:/# type ls ls is aliased to `ls --color=auto' root@37ba9ce1e69f:/# type type type is a shell builtin root@37ba9ce1e69f:/# type cp cp is /usr/bin/cpwhich: display an executable's location command's documentation bash는 빌트인 help 도구를 가지고 있음...