Vous trouverez un guide d'emploi de cette commande, raisonnablement clair, détaillé, bourré d'exemples - malheureusement en anglais - à la page Learn the dd command.

Bash How-to guides and examples

An A-Z Index of the Apple macOS command line (macOS bash)

The AWK command dates back to the early Unix days. It is part of the POSIX standard and should be available on any Unix-like system. And beyond.

While sometimes discredited because of its age or lack of features compared to a multipurpose language like Perl, AWK remains a tool I like to use in my everyday work. Sometimes for writing relatively complex programs, but also because of the powerful one-liners you can write to solve issues with your data files.

The Bash read command is a built-in utility that reads text from standard input. The tool offers many functionalities for reading user input, helping make Bash scripts interactive.

launchctl load -w /System/Library/LaunchDaemons/com.apple.atrun.plist

Exemple avec la commande at :

at -f test.sh 22:15

jq is like sed for JSON data - you can use it to slice and filter and map and transform structured data with the same ease that sed, awk, grep and friends let you play with text.