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You can set user quotas with the vxedquota command if you have superuser privileges. User quotas can have a soft limit and/or hard limit. You can modify the limits or assign them specific values. Users are allowed to exceed the soft limit, but only for a specified time. Disk usage can never exceed the hard limit. The default time limit for exceeding the soft limit is seven days on VxFS file systems.
vxedquota creates a temporary file for a specified user. This file contains on-disk quotas for each mounted VxFS file system that has a quotas file. The temporary file has one or more lines similar to the following:
fs /mnt blocks (soft = 0, hard = 0) inodes (soft=0, hard=0)
fs /mnt1 blocks (soft = 100, hard = 200) inodes (soft=10, hard=20)
Quotas do not need to be turned on for vxedquota to work. However, the quota limits apply only after quotas are turned on for a given file system.
vxedquota has an option to modify time limits. Modified time limits apply to the entire file system; you cannot set time limits for an individual user.
To set up user quotas