Linux Command Classification

Display Information

Manipulate Information

Linux File Tree

Basic Commands

ls

<aside> 💡 Listing files and directories in the current directory

</aside>

• ls : list all files

• ls -l : list all files in detail

  Ex) -rwxr-xr-x 1 linuxer1 linuxer1 14 Feb 26 2013 f1

• ls -al : list all files including hidden files

• ls ex* : list all files whose name start with “ex”

pwd

<aside> 💡 Show the current directory (Present Working Directory)

</aside>

cd

<aside> 💡 Change current directory

</aside>

• cd / : go to the “/” directory (the root directory)