Here are the different commands you may want to use to manipulate
This lets you turn on and off quotas on a partition.
This prints a status report for the different users or
This checks a partition and updates the status of each group and
user. This command is normally run right after an fsck at boot
This is a bare bones quota management utility. It allows you
to edit a user record or group record directly. DO NOT
USE THIS. It has no concept of defaults and any changes
made with it may be overwritten by Linuxconf.