Every time I don’t know how to use a command, I type
man <command> to get the manual:
This is a man (from manual) page. Man pages are an essential tool to learn, as a developer. They contain so much information that sometimes it’s almost too much.
The above screenshot is just 1 of 14 screens of explanation for the
Man pages are diveded into 7 different groups, identified by a number:
1is user commands
2is kernel system calls
3is C library functions
5is files formats and filesystems
7is miscellaneous commands, conventions and overviews
8is superuser and system administrator commands
Most of the times when I’m in need to learn a command quickly I use this site called tldr pages: https://tldr.sh/. It’s a command you can install, then you run it like this:
tldr <command>, which gives you a very quick overview of a command, with some handy examples of common usage scenarios:
This is not a substitute for
man, but a handy tool to avoid losing yourself in the huge amount of information present in a man page. Then you can use the man page to explore all the different options and parameters you can use on a command.
mancommand works on Linux, macOS, WSL, and anywhere you have a UNIX environment