Gear up at linux

Fundamental operations used in a Unix-based system

File and Directory Operations:

• ls: Lists directory contents.
• cd: Changes directory.
• pwd: Prints working directory.
• mkdir: Creates a new directory.
• rmdir: Removes an empty directory.
• rm: Removes files or directories.
• nano: Opens a text editor to create or modify files.
• touch: Creates or updates the timestamp of a file.
• cat: Displays file contents.

File Manipulation:

• cp: Copies files or directories.
• mv: Moves or renames files or directories.
• file: Gets information about file types.

System Information:

• df: Shows disk space usage.
• du: Shows directory space usage.

Text Processing:

• grep: Searches for patterns in files.
• cut: Extracts sections from each line of files.
• uniq: Filters or removes duplicate lines.

Sorting and Filtering:

• sort: Sorts lines of text files.
• awk: Processes and analyzes text files.

Network Tools:

• nmap: Scans for open ports on a network.

User Permissions:

• chmod: Changes file permissions.
• chown: Changes file ownership.