Essential commands for developers
lsList files in current directory
ls -laList all files with details
cd /Users/YourName/DocumentsChange to specific directory
cd ..Go up one directory
pwdShow current directory path
cp file.txt backup.txtCopy a file
cp -r folder backup_folderCopy entire folder
mv file.txt /Users/YourName/Desktop/Move file to another location
rm file.txtDelete a file
rm -rf folderDelete folder and contents (use carefully!)
ifconfigShow network configuration
ifconfig en0Show specific interface (WiFi)
ping google.comTest connection to website
ping -c 5 192.168.1.1Ping 5 times to local device
python3 -m http.server 8000Start a simple web server on port 8000
Access at: http://localhost:8000
tar -czf archive.tar.gz folder/Create compressed archive
tar -xzf archive.tar.gzExtract compressed archive
tar -tf archive.tar.gzList contents of archive
scp file.txt user@server:/path/to/destinationCopy file to remote server
scp user@server:/path/file.txt .Copy file from remote server to current directory
scp -r folder user@server:/path/Copy entire folder to remote server
git initInitialize a new repository
git clone https://github.com/user/repo.gitClone a repository
git statusCheck current status
git add .Stage all changes
git commit -m "Your message"Commit changes
git pushPush to remote repository
git pullPull latest changes
git branchList branches
git branch devCreate dev branch
git checkout devSwitch to dev branch
git checkout -b feature-branchCreate and switch to new branch
git merge devMerge dev into current branch
git checkout devSwitch to development branch
git pull origin devGet latest dev changes
git checkout -b feature-xyzCreate feature branch from dev
# Make your changes, then:git add .git commit -m "Add feature XYZ"git push -u origin feature-xyzPush feature branch
# After review, merge to dev:git checkout devgit merge feature-xyzgit push origin devMerge feature into dev
# Deploy to production:git checkout prodgit merge devgit push origin prodMerge dev into production
git stashSave changes temporarily
git stash popApply stashed changes
git stash listList all stashes
git rebase mainRebase current branch onto main
git rebase -i HEAD~3Interactive rebase last 3 commits
git worktree add ../project-dev devCreate worktree for dev branch
git worktree add ../project-prod prodCreate worktree for prod branch
git worktree listList all worktrees
git worktree remove ../project-devRemove a worktree
grep "text" file.txtSearch for text in file
grep -r "text" .Search recursively in all files
find . -name "*.txt"Find all .txt files
which python3Find location of executable
curl https://api.github.com/users/usernameGET request to API
curl -o file.zip https://example.com/file.zipDownload file