~$ cat /etc/fstab
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
proc            /proc           proc    defaults        0       0
# / was on /dev/sda5 during installation
UUID=6568304b-4d99-4599-b183-6ef82988a5e6 /               ext3    relatime,errors=remount-ro 0       1
# swap was on /dev/sda6 during installation
UUID=67ac7a82-7e35-4b98-84fd-bd4725506ad4 none            swap    sw              0       0
/dev/scd0       /media/cdrom0   udf,iso9660 user,noauto,exec,utf8 0       0

~$ badblocks -v /dev/sda5
badblocks: Permission denied while trying to determine device size
artem@artem-desktop:~$ sudo badblocks -v /dev/sda5
Checking blocks 0 to 30137907
Checking for bad blocks (read-only test): done                               
Pass completed, 0 bad blocks found.

~$ sudo hdparm /dev/sda5
/dev/sda5:
 IO_support    =  0 (default)
 readonly      =  0 (off)
 readahead     = 256 (on)
 geometry      = 19457/255/63, sectors = 60275817, start = 249618033

:~$ mount
/dev/sda5 on / type ext3 (rw)
tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
varrun on /var/run type tmpfs (rw,nosuid,mode=0755)
varlock on /var/lock type tmpfs (rw,noexec,nosuid,nodev,mode=1777)
udev on /dev type tmpfs (rw,mode=0755)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)
fusectl on /sys/fs/fuse/connections type fusectl (rw)
lrm on /lib/modules/2.6.28-11-generic/volatile type tmpfs (rw,mode=755)
securityfs on /sys/kernel/security type securityfs (rw)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
gvfs-fuse-daemon on /home/artem/.gvfs type fuse.gvfs-fuse-daemon (rw,nosuid,nodev,user=artem)

:~$ sudo  mount -o force,remount,rw /dev/sda5
mount: / уже не примонтирован или неверная опция