Code:
BIN/ Binaries
DEV/ Device Files
ETC/ Config Files
USR/ User binaries
HOME/ User Personal Data
LIB/ Shared libraries
SBIN/ System binaries
TMP/ Temporary files
VAR/ Variable data files
BOOT/ Boot files
PROC/ Process and kernel files
OPT/ Optional software
ROOT/ Home of the root
MEDIA/ Point for removable media
MNT/ Mount directory
SRV/ Service data