sys/class/block/_[ Not.Writable ]

Name	SiizeFile	Prmisn	Modify
loop0	-	drwxr-xr-x	# Delete Chmod Rename
md0	-	drwxr-xr-x	# Delete Chmod Rename
md1	-	drwxr-xr-x	# Delete Chmod Rename
sda	-	drwxr-xr-x	# Delete Chmod Rename
sda1	-	drwxr-xr-x	# Delete Chmod Rename
sda2	-	drwxr-xr-x	# Delete Chmod Rename
sda3	-	drwxr-xr-x	# Delete Chmod Rename
sdb	-	drwxr-xr-x	# Delete Chmod Rename
sdb1	-	drwxr-xr-x	# Delete Chmod Rename
sdb2	-	drwxr-xr-x	# Delete Chmod Rename
sdb3	-	drwxr-xr-x	# Delete Chmod Rename