Harness the Combinatoric Power of Command-Line Tools and Utilities


Go beyond the book. Check out these short videos from the Small Sharp Software Tools YouTube Channel.

Command Line Shortcuts

Published February 5, 2021

Learn some handy command-line shortcuts to speed up your workflow

Looking Up Domains

Published February 6, 2019

Use host, dig, and whois to look up information about domain names.

Fixing Mistakes

Published January 28, 2019

Typos happen. Fix them with these two tricks.

The Cal Command

Published January 27, 2019

Display a quick calendar from your command line.

Dates with the Date Command

Published January 26, 2019

Explore the date command. Format dates and find dates in the future and in the past.

Making Directory Structures

Published January 23, 2019

Use the mkdir command and brace expansion to create a complex directory structure in a single command.