OS-Linux-Local-FileSystem

Many of the directory structures described below have permissions that are governed by Msec.

Root	Directory Tree         *	Owner.Group	Mode	Description
/home/				Mounted on its own partition so it is easily preserved over OS reloads.
	admin	operator.admin	2750	For non-root administrator home directories.
	admin/operator			A soft link to the local, non-root, primary administrator user.
	admin/sysid_domain	operator.root	2750	The _sysid_ is usually a hardware identifier combined with an OS identifier. The _domain_ uses underscore separators instead of dots. /home/admin/operator always points to one of these. Some sub-directories are historical, for older operating system installations. Some of the directories are backups of administrator users on other systems.
	apps	operator.cvs	2775	Directories for locally developed, or for software installed with 'make install'.
	data	operator.users	2755	Data directories for services, or for multi-user access.
	data/media	operator.media	2750
	data/news	news.news	2755
	data/twiki	apache.apache	2755
	data/web	operator.web	2770
	devel	operator.cvs	2775	Data directories for software development or software repository copies.
/media/				contains read-only mount points for optical drives.
	cdrom	operator.cdrom	2551
	dvdrw	operator.cdwriter	2551
		operator.media	2551	Other /media sub-directories are read-only mount points for other media. These folders usually are mount points for specific media. For example, /media/mp3_blue is a mount point for a particular mp3 player that is blue in color. and, /media/card/canon_8M is a mount point for an 8MB SD card that has a Canon brand imprint. Autofs is configured to recognize the media by UUID, or some other distinguishing characteristic.
	card/brand_size	"	"	SD, or other types of memory cards.
	gps/id	"	"	Global Positioning System devices.
	mp3/id	"	"	MP3 players
/mnt/				Contains mount points for various drives.
	cdrom	operator.cdrom	2551
	dvdrw	operator.cdwriter	2771
	floppy	operator.cdwriter	2771
		operator.media	2771	Other /mnt contents are read-only mount points for other media. These folders are mount points for specific media, and use the conventions noted for /media
	card/brand_size	"	"	SD, or other types of memory cards.
	gps/id	"	"	Global Positioning System devices.
	mp3/id	"	"	MP3 players
	kraydisk	operator.admin	2775	Contains mount for a samba-based network-attached-storage system.
	kraydisk/backups	operator.bakadmin	2771
	kraydisk/finance	operator.finance	2771
	kraydisk/media	operator.media	2771