WARNING: The following is a PERSONAL brief of part of the second chapter of the book How Linux Works: what every superuser should know by Brian Ward
Linux system has a root directory (/), generally it is referred as ‘slash’ directory. The root contains several subdirectories.
Contains binary programs.
Contains device files.
It’s the core system configuration directory.
Holds personal directories for normal users.
Holds library files containing cods that executables can use.
Provides system statistics.
Holds system executables.
Contains the temporary files.
The place were the bulk of the Linux system resides.
Where programs record runtime information.
Contains kernel boot load files.
May contain additional third-party software.
/usr/ (users) directory
Contains the following
Holds header files used by
Where administrators can install their own software.
Contains files that should work on Unix-like systems.