cheat - Cheat allows you to create and view interactive cheatsheets on the command-line.

grepWin - grepWin is a simple search and replace tool which can use PCRE regular expressions to search for...

cheat.sh - The only cheat sheet you need Unified access to the best community driven documentation

grep - grep is a command-line utility for searching plain-text data sets for lines matching a regular...

explainshell - Match command-line arguments to their help.

dnGREP - dnGrep allows you to search across files with easy-to-read results.