Quota is installed by default.

To check if quota is enabled in the kernel, run this command:

# grep CONFIG_QUOTA /boot/config-`uname -r`

if quota is enabled, then the result is

CONFIG_QUOTA=y
CONFIG_QUOTACTL=y

To check if quota is installed

# rpm -q quota

To configure quota to user1 on /home having 80000M for soft and 100000M for hard

1. Add usrquota and grpquota to the home directory in fstab

   # vi /etc/fstab

2. Add the following line:

   /dev/hda10 /home      ext3 defaults,usrquota,qrpquota 1 2

3. Reboot the system or run this command

   # mount -o remount /home

4. Create quota files

   # quotacheck -cugm /home

5. Set disk quotas for user1

   # edquota -u user1

6. Under the soft and hard columns, change the 0 to 80000 and 100000, respectively.

To set the grace period

# edquota -t

To display quotas

# repquota -a