#linux

LinuxCommand.org

Learn the Linux command line. Classic, comprehensive tutorial on shell scripting and Unix command-line tools.

command-not-found

Find the package that contains a command. Covers major Linux distributions and macOS.

Brendan Gregg

Performance engineer, author of 'Systems Performance'. Industry expert on observability, tracing, and eBPF.

Crontab Guru

The quick and simple editor for cron schedule expressions.

tmp.0ut

ELF research group and zine. Deep technical content on binary hacking, virus writing, and Linux internals.

Thirty Three Forty

George Hilliard's embedded systems blog. Famous for making a business card that runs Linux.

Wizard Zines

Julia Evans' illustrated zines on technical topics. Git, SQL, Linux, and more.

nixCraft

Linux and Unix tutorials and tips. Practical sysadmin knowledge.

Linux Journey

Learn Linux step by step. From command line basics to system administration.

Julia Evans

Friendly, illustrated explanations of computer science concepts. Makes complex topics accessible through zines and blog posts.