/

The Root

everything is a file

bin

Bin is for Binaries

`pwd, mkdir, cat and systemctl`

boot

Boot is for booting

static files for the bootloader.

dev

Dev is for devices.

etc

Etc like Betsy

Configuration files for system wide applications

home

Home is for home

For all your stuff like documents, pictures, projects etc.

lib

Lib is for Library

System shared libraries for booting and running commands in the root filesystem.

media

Media is for media

Where media gets mounted to. If you plug in a USB for example.

opt

Opt is for optional add-on software packages

Nicely packaged apps with all their bits and bobs in one place

The `/usr` Hierarchy

‍‍‍💡

usr

Usr is not for user.

not user

More like user space

usr
- bin

The primary directory for executables that are not needed for booting or repairing the system.

`less`, `pkill`, `which`

usr
- lib

Libraries for packages installed that aren’t system dependant.

usr
- local

locally installed software by the administrator

(probably you if it’s your machine)

usr
- local
  - bin

These binaries are for local programs

Programs not managed by the distribution package manager

usr
- share

Architecture-independent data like man pages and locale information

Also ASCII character tables

The Var Hierarchy

‍‍‍📝

var

Var is for Variable Data Files

Temp files like log files

var
- cache

Cache stuff

Cached data from applications to save IO speed

var
- games

Games are for playing

Scores, levels and user specific game data

Want more?

`$ man hier`

For more words to put into a search engine.

Noobs on Ubs