Tool Guides

Demystifying Tools

Practical guides that break down common command-line tools and utilities into easy-to-understand tutorials with real-world examples.

Awk variables work like so: $0 -- represents full line $1....$n -- represents each field (1-index-based) NR -- current record $NF -- last column

Create new worktree with new branch

Basic format conversion

List all files and folders in current directory:

Search for a keyword in a file:

Sync one directory into another with compression:

Untar/unzip a tar or tar.gz file into the current directory: