bin : The
full name is binary, which means binary. All binary files are stored in this directory, and all files can be run.
dev :
This directory mainly stores external devices, such as disks, other CDs, etc. The external device cannot be used directly and needs to be mounted (similar to the assigned drive letter under windows).
etc :
This directory mainly stores some configuration files.
home : means "home", which means the home directory of other users except the root user, similar to the User/user directory under windows.
proc : process, which means the process, the process stored in this directory is the process when Linux is running.
root : This directory is the home directory of the root user.
sbin : The full name is super binary. This directory also stores binary files that can be executed, but only a user with super privileges can execute it.
tmp : Means "temporary", the temporary files generated when the system is running will be stored in this directory.
usr : Store the software installed by the user. Similar to program files under windows.
var : The directory where the program/system log files are stored.
mnt : When an external device needs to be mounted, it needs to be mounted under the mnt directory.