thanks for the reply ......
here's the output
[root@localhost new]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/cciss/c0d1p1 16G 6.4G 8.3G 44% /
none 1.9G 0 1.9G 0% /dev/shm
[root@localhost new]# cat /etc/fstab
# This file is edited by fstab-sync - see 'man fstab-sync' for details
LABEL=/osbackup / ext3 defaults 1 1
none /dev/pts devpts gid=5,mode=620 0 0
none /dev/shm tmpfs defaults 0 0
none /proc proc defaults 0 0
none /sys sysfs defaults 0 0
/dev/cciss/c0d1p2 swap swap defaults 0 0
/dev/cciss/c0d0p2 swap swap defaults 0 0
/dev/hda /media/cdrom auto pamconsole,fscontext=system_u
bject_r:removable_t,exec,noauto,managed 0 0
/dev/fd0 /media/floppy auto pamconsole,fscontext=system_u
bject_r:removable_t,exec,noauto,managed 0 0
i could not fine any thing for last command cat /etc/*re