Linux Commands:

• pwd - Print Working Directory Displays the full path of the current directory.

• ls-List Directories Lists Files and Directories
  

  • ls # Basic listing
  • ls -la # Long format with hidden files
  • ls -lh # Human-readable sizes

• cd - Change Directory
  

  • cd /path/to/dir # Go to specific path
  • cd .. # Go up one level
  • cd ~ # Go to home directory

• mkdir-Make Directory
  

  • mkdir new_folder # Create single directory
  • mkdir -p path/to/nested # Create nested directories

• rm- Remove Files/Directories
  

  • rm file.txt # Remove file
  • rm -r folder/ # Remove directory recursively
  • rm -rf folder/ # Force remove (use with caution!)

• cp - Copy Files/Directories
  

  • cp file.txt backup.txt # Copy file
  • cp -r src/ dest/ # Copy directory recursively

• mv - Move/Rename Files
  

  • mv old.txt new.txt # Rename file
  • mv file.txt /new/path/ # Move file

Git Commands:

• grep - Search Text Patterns
  

  • grep "error" log.txt # Search in file
  • grep -r "TODO" src/ # Recursive search
  • grep -i "warning" file # Case-insensitive

• git init - Initialize Repository
  

  • git init # Initialize in current directory
  • git init project-name # Create and initialize new directory

• git clone - Clone Repository
  

  • git clone https://github.com/user/repo.git
  • git clone [email protected]:user/repo.git # SSH

• git add - Stage Changes
  

  • git add file.txt # Stage specific file
  • git add . # Stage all changes
  • git add -A # Stage all including deletions

• git commit - Record Changes
  

  • git commit -m "message" # Commit with message
  • git commit -am "message" # Stage and commit tracked files
  • git commit --amend # Modify last commit

• git push - Upload to Remote
  

  • git push origin main # Push to main branch
  • git push -u origin main # Push and set upstream
  • git push --all # Push all branches

• git branch - Manage Branches
  

  • git branch # List local branches
  • git branch new-feature # Create new branch
  • git branch -d branch-name # Delete branch

• git merge - Combine Branches
  

  • git merge feature-branch # Merge into current branch
  • git merge --no-ff feature # Create merge commit
  • git merge --abort # Cancel merge in progress