Linux Commands: The Ultimate Cheatsheet

Whether you're a developer, sysadmin, or security researcher, mastering Linux commands will make you significantly more productive.

File System Navigation

Use `ls -la` to list files with permissions, `cd` to navigate directories, `pwd` to print current directory, `find` to search files, and `tree` for visual directory structure.

File Operations

Copy with `cp`, move/rename with `mv`, delete with `rm`, create directories with `mkdir`, and view file contents with `cat`, `less`, or `head`/`tail`.

Process Management

View running processes with `ps aux` or `top`/`htop`, kill processes with `kill -9 PID`, manage background jobs with `&`, `fg`, `bg`.

Networking

Check connectivity with `ping`, inspect network with `netstat -tuln`, transfer files with `scp` or `rsync`, and make HTTP requests with `curl`.