* GNU grep and ripgrep (https://learnbyexample.github.io/learn_gnugrep_ripgrep/)
* GNU sed (https://learnbyexample.github.io/learn_gnused/)
* GNU awk (https://learnbyexample.github.io/learn_gnuawk/)
* Ruby one-liners cookbook (https://learnbyexample.github.io/learn_ruby_oneliners/)
* Perl one-liners cookbook (https://learnbyexample.github.io/learn_perl_oneliners/)
* Command line text processing with GNU Coreutils (https://learnbyexample.github.io/cli_text_processing_coreuti...)
* Command line text processing with Rust tools (https://learnbyexample.github.io/cli_text_processing_rust/) — work-in-progress
* Computing from the Command Line (https://learnbyexample.github.io/cli-computing/) — work-in-progress