A list of most used terminal command list.

most-useful-terminal-command-list.txt

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////////////////   Most Useful Terminal Command List   \\\\\\\\\\\\\\\\
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01. Current Working Directory:
==============================
pwd





02. Clear the Window:
=====================
clear





03-1. Content List of Current Directory:
========================================
ls


03-2. Content List of Current Directory (Detailed list view):
=============================================================
ls -l


03-3. Content List of Current Directory (All files including hidden ones):
==========================================================================
ls -a


03-4. Content List of Current Directory (Detailed list view / All files including hidden ones):
==============================================================================================
ls -la





04. Change Directory:
=====================
cd


Forward: ./ OR / (Optional)
Backward: ../
Backward 3 step: ...
Backward 4 step: ....
Folder with space in the name: 
"/Folder name with space/"
OR
Folder\ name\ with\ space
Different Drive: DRIVE_LETTER:

Example:
--------
cd nextFolder
cd /nextFolder
cd ./nextFolder
cd ../previousFolder
cd ...
cd ....
cd "./nextFolder/Folder name with space/"
cd ./nextFolder/Folder\ name\ with\ space/
cd D:
cd D:/nextFolder





05. Go to Home Directory:
=========================
cd ~
OR
~





06. Switch Between Last 2 Directories:
======================================
cd -
OR
-





07. Open Any Text File on Terminal (Read-Only):
===============================================
cat

Example:
--------
cat file.txt
cat file.doc
cat FolderName/README.md





08. Open Any File with Default Application:
===========================================
xdg-open

Example:
--------
xdg-open file.txt
xdg-open file.doc
xdg-open file.mp4





09. Open Any File with Code Editors:
====================================
editorName fileName

Example:
--------
Nane:     nano file.txt
Vim:      vim file.txt
Emacs:    emacs file.txt
VS Code:  code file.txt





10. Create New File:
====================
touch

Example:
--------
touch newFile.txt
touch index.html style.css app.js





11. Create New File and Add Texts at Once:
==========================================
cat > fileName

Note:
------
*** This command will create the file and give us option to add multiple line texts.
*** After done adding text, we need to press Cmd+D 2 times. 1st press will save the file and 2nd press will send us back to main Terminal.

Example:
--------
cat > index.html





12. Create New Folder:
======================
mkdir

Example:
--------
mkdir NewFolderName
mkdir "New Folder Name"
mkdir NewFolder1 NewFolder2 NewFolder3





13. Create New Folder and Enter to That at Once:
================================================
take

Example:
--------
take NewFolderName
take "New Folder Name"





14. Move/Rename Files/Folders:
==============================
mv

CAUTION: 
--------
*** It will REPLACE any existing file/folder with same name from the target directory.
*** It's GOOD PRACTICE to use sub-command "-i" with it. so that it will asks for confirmation.



14-1. Move Single File/Folder:
==============================
mv existingFile targetPath
mv existingFolder targetPath

Example:
--------
mv file.txt Target/Directory -i
mv FolderName Target/Directory -i
mv FolderName/file.txt Target/Directory -i



14-2. Move Multiple Files/Folders:
==================================
mv existingFile1 existingFile2 existingFile3 targetPath
mv existingFolder1 existingFolder2 existingFolder3 targetPath

Example:
--------
mv file1.txt file2.txt file3.txt Target/Directory -i
mv Folder1 Folder2 Folder3 Target/Directory -i
mv Folder1/file1.ext Folder2/file2.ext Folder3/file3.ext Target/Directory -i



14-3. Rename File/Folder:
=========================
mv existingFileName newFileName
mv existingFolderName newFolderName

Example:
--------
mv existingName.txt newName.txt -i
mv existingFolderName newFolderName -i



14-4. Move + Rename File/Folder:
================================
mv existingFile targetPath/newName
mv existingFolder targetPath/newName

Example:
--------
mv existingName.txt targetPath/newName.txt -i
mv existingFolderName targetPath/newFolderName -i





15. Copy File/Folder:
=====================
cp

CAUTION: 
--------
*** It will REPLACE any existing file/folder with same name from the target directory.
*** It's GOOD PRACTICE to use sub-command "-i" with it. so that it will asks for confirmation.



15-1. Copy Single File/Folder:
==============================
cp fileName targetPath
cp folderPath targetPath

Example:
--------
cp file.txt Target/Directory -i
cp FolderName Target/Directory -i
cp FolderName/file.txt Target/Directory -i



15-2. Copy Multiple Files/Folders:
==================================
cp file1 file2 file3 targetPath
cp Folder1 Folder2 Folder3 targetPath

Example:
--------
cp file1.txt file2.txt file3.txt Target/Directory -i
cp Folder1 Folder2 Folder3 Target/Directory -i
cp Folder1/file1.ext Folder2/file2.ext Folder3/file3.ext Target/Directory -i



15-3. Copy + Rename File/Folder:
================================
cp fileName targetPath/newName
cp FolderName targetPath/newName

Example:
--------
cp file.txt targetPath/newName.txt -i
cp FolderName targetPath/newFolderName -i





16. Delete File:
================
rm

CAUTION: 
--------
*** DON'T use it unless you have NO alternative. It will REMOVE file/folder permanently.
*** It's GOOD PRACTICE to use sub-command "-i" with it. so that it will asks for confirmation.
*** To allow sending the removed file/folder into TRASH or RECYCLE BIN, please take a look at the "Useful Tips" at bottom of this page.

Example:
--------
rm fileName.txt -i





17. Delete Folder:
==================
rmdir

CAUTION: 
--------
*** DON'T use it unless you have NO alternative. It will REMOVE file/folder permanently.
*** It's GOOD PRACTICE to use sub-command "-i" with it. so that it will asks for confirmation.
*** To allow sending the removed file/folder into TRASH or RECYCLE BIN, please take a look at the "Useful Tips" at bottom of this page.

Example:
--------
rmdir FolderName -i
rmdir "Folder Name" -i





18. Details about Any Terminal Command:
=======================================
man

Example:
--------
man ls
man cd
man rm





19. Details about Any Program:
==============================
programName --help

Example:
--------
git --help
code --help
node --help





20. Exit from the current terminal tab:
=======================================
exit






=====================
    Useful Tips:
=====================

01. Auto fill up commands: Tab
    -----------------------------
    *** Pressing Tab after writting partial keyword/folder/file name auto fills the name. Or shows full list of names if there are more than one.
    *** Pressing Tab multiple times shows full list of similar folders/files and allows navigate between them. Then it also allows navigate with arrow keys.
    *** After writting a sub command "-" sign, pressing Tab suggests and allows to navigate all sub-commands under the current command keyword.


02. Recently typed command history: Arrow Up
    -------------------------------------------
    *** After pressing Arrow Up, it will allow navigate through multiple history using Arrow Up and Arrow Down
    *** After writting partial command, pressing Arrow Up or Arrow Down will allow to navigate through related command history
    *** Pressing Cmd+R allows to search through the recent command history.


03. Sending removed file/folder into "Trash" or "Recylce Bin: trash
    ------------------------------------------------------------------
    *** Using "trash-cli" 3rd-party tool:
        ==> https://github.com/sindresorhus/trash-cli


04.