display the diskusage of their home direcory

[Selvi]

In RH7.1 all user are using Exceed to connect linux box . I didn't enable disk quota for all user. also every user having theire data in to individual home directories .  due to this server gets full of disk frequently.   to avoid this we have planned to display the disk usage while they logging in to the server.   Is it possible disply the individual user diskusage while they looging?     If not     Is is possible to displays /home disk space with some welcome message?     Your help will be valuable   Balamurugan