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Computer HardDisk's:
- Device:	is a Hard disk.
- Partition:	is a partition of hard disk
- File System:	type of file system (ntfs,fat32,ext3,reiserfs,etc..)
- Size:		the size of partition
- Used:		use of partition
- Status:	define with (Actived, Restrictive, Disactived):
actived      = mounted
restrictived = mounted but no full access (for example: read only)
disactived   = not mounted

and down is for others drivers (example: CD-rom,floppy,pendrive,etc)

the part of buttons:
user 		= go to /home/$user
system		= go to /
control panel 	= execute gnome-control-center
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is a properties of partition
in status:
Status(1º button): select with: Actived, Restrictive, Disactived
Status(2º button): for use this button need select Restrictive,this buttons is for select read only or others options
Owner: it is the owner of folder of mounted partition
Access for all: if "yes" use the Status(2ºbotton) for all,example owner,group and other use read only or other selected on Status(2ºbotton)
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