/bin | User Binaries - Essential command binaries |
/sbin | System Binaries - System binaries |
/etc | Config Files - Host-specific system-wide configuration files |
/dev | Device Files - Device files |
/proc | Process Files - Interface to kernel data structures |
/var | Variable Files - Files that are expected to continuously change |
/tmp | Temporary Files - Temporary files |
/usr | User Program - Unix System Resources |
/home | Home Directory - User home directory |
/boot | Boot Files - System boot loader files |
/lib | System Libraries - Shared library modules |
/opt | Optional App - Add-on application software packages |
/mnt | Mount Directory - Temporary mounted filesystems |
/media | Removable Media - Media files such as CD-ROM |
/srv | Service Data - Site-specific data served by this system |
/root | Home directory for root user |
/run | Run-time program data |
/sys | Virtual directory providing information about the system |