reading-notes

The Command Line Notes

The Command Line

• the command line is structured by: Command-command argument-options
• Previously used commands are stored in a history and can be refenced by using the up and down keys

Basic Navigation

• Commands
  • PWD- Print Working Directory
  • LS- List
  • CD- Change Directory
  • mkdir- Make Directory
  • touch- creates a file
  • cp copys a file path
  • mv moves a file or directory
• Paths:
  • absolute- absolute path specify a location in relation to the root directory
  • reletive- reletive path specify based on where you currently are in the directory
  • ~ is reference to the home directory
  • . is reference to the current directory (ex. “code .”)
  • .. is reference to the parent directory

More About Files

• Everything is a file. keyboard is a read only file, monitor is a write only file, all text is also a file
• Linux is case sensetive
• to use spaces in names you can use ‘’ around the name and treat it like a string or use a / in between the words
• files that start with a ‘.’ are hidden (ex. .env)

Manual Pages

• manual pages are pages you can reach with “man < command to look up >” that give you info on all the commands you can do.
• you can search keywords if youre not sure exactly what youre looking for.

File Manipulaion

• setting up a well thought out file storage system is important
• you can make a directory with mkdir and remove one with rmdir.