Linux Learning-Catalog table

Directory Name	Role	Permissions	Description
/bin/	directory where system commands are stored	All Users	It can also be executed in command-user mode, which is stored under/bin/.
/sbin/	Save commands related to System environment settings	Root
/usr/bin/	directory where system commands are stored	All Users	These commands are not related to system boot and cannot be performed in single-user mode
/usr/sbin/	Storing unnecessary system administration commands with the file system	Root
/boot/	System startup directory, save system startup related files		such as kernel files and boot loader files (grub), etc.
/dev/	Device File Save location		Where to save the hardware device files
/etc/	Configuration File Save location		A configuration file for a service that uses the default installation method within the system, such as account password, startup script, etc.
/home/	Home directory for ordinary users
/lib/	function library save location for system call
/lost+found/	Backup Recovery Directory		During system startup, the Fsck tool checks here and repairs corrupted files
/media/	Mount Directory, Mount Media devices		Floppy disk, CD
/mnt/	Mount Directory, Mount Peripherals		USB drive, removable hard disk, other operating system partitions
/misc/	Mount Directory, Mount NFS service
/opt/	Third-party installed software save location
/proc/	Virtual file system		Save in memory, main save system kernel, process, external device Status and network status lights,
/sys/	Virtual file system		Save in memory, mainly save kernel related information
/root/	Home directory for super users
/srv/	Service Data Catalog		After the system service is enabled, you can save the required data in this directory
/tmp/	Temp directory	All Users
/usr/	System Software Resources Directory		Most of the software installed in the system is stored here
/var/	Dynamic Data Save location		Mainly save the cache, log and files generated by the software

Linux Learning-Catalog table