CORRECT TEXT
There is one partition /dev/hda14 mounted on /data. The owner of /data is root user and root
group. And Permission is full to owner user, read and execute to group member and no
permission to others. Now you should give the full permission to user user1 without changing
pervious permission.

Answer:

Explanation:
We know that every files/directories are owned by certain user and group. And Permissions are
defines to owner user, owner group and other.
-rwxr-x— àFull permission to owner user, read and write to owner group and no permission to
others.

According to question: We should give the full permission to user user1 without changing the
previous permission.
ACL (Access Control List), in ext3 file system we can give permission to certain user and certain
group without changing previous permission. But that partition should mount using acl option.
Follow the stepsvi /etc/fstab
/dev/hda14 /data ext3 defaults,acl 0 1Either Reboot or use: mount -o remount /datasetfacl -m
u:user1:rwx /dataVerify using: getfacl /data