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Linux file system

/	root, anchor of the filesystem
/usr	Unix System Ressource, system file
/usr/bin	executable
/usr/lib	shared libraires used by programs
/usr/share	programs ressources (icons, art…)
/etc	System configuration
/var	Log, caches, etc
/home	User owned data
/proc	runtime process data
/tmp	temporary data storage

File type

• - regular file
• d directory
• l sym link
• p named pipe
• c character device file (backed by a hardware device that produces or receives data streams, like microphone)
• b block device file (backed by device that stores and loads blocks of data, like hard drive)
• s unix socket (local network connection encapsulated in a file)

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