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Command Line Interface (CLI)

Links

Basic commands for CLI

  • :wq = write changes and quit Vi editor
  • :q! = DO NOT write changes and quit Vi editor
  • pwd = print working directory's name
  • cat [filename] = used when you want to view the contents of a file
  • ls = list all contents of a directory
  • ls -a = list all contents of a directory with hidden files
  • touch [file-name] = creates a new file
  • rm [file-name] = removes or deletes a file
  • open [file-name] = open file

Use multiple commands in one line

Use ; to make multiple commands

mkdir one_folder second_folder ; touch one.html two.html ; mkdir first_day_stuff ; mv one.html first_day_stuff ; mv two.html first_day_stuff

Create a text file by accessing Nano editor

Run nano index.html

TIP: For a web page or app, make sure the index.html is created in the path var/html/public

Then, press Control + "C" to exit Nano editor

  • Nano editor will ask you to save, append, etc.
    • Press "Enter"

Create a file

Run touch <name-of-file.txt>

Move a file to a different folder

Run mv <name-of-file.txt> <folder-name>

Find And Replace All Occurrences

Credit to baeldung

By default, sed only replaces the first occurrence that it finds; however, add a g to the end of search expression to instruct sed to replace all occurrences globally:

sed -i 's/{OLD_TERM}/{NEW_TERM}/g' {file}

To run the command in multiple files, just add the names for all of the files as such:

sed -i 's/{OLD_TERM}/{NEW_TERM}/g' {file} {file2} {file3}

iOS Computers - Terminal

How to empty your trash

Steps to empty your trash using Terminal:

  1. Open Terminal
  2. Run the following command: sudo rm -rf ~/Trash/*

Mount a Network Drive

Replace the following in the command below:

  • USERNAME
  • @Root/To/Network/Drive with the drive you are wanting to mount
  • YourLocalShare/YourMountedDrive should be created before you run the command below
sudo mount -t smbfs -o -f=0777,-d=0777 '//USERNAME@Root/To/Network/Drive' ~/YourLocalShare/YourMountedDrive

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