SharePoint Column/View Permission

http://www.sharepointboost.com/columnpermission.html

Hide form fields in SharePoint

http://mysharepointofview.com/2009/01/hide-form-fields-in-sharepoint/

How to use Today in calculated field of sharepoint

How to use Today in calculated field of sharepoint

1.  Create custom list
2.  Create one column say current date.
3.  Choose The type of information in this column as " Date and Time "
4.  Select Date and Time Format: "Date only"
5.  Select default value "Today's Date"
6.  Click ok.

This will create current date column for you , which ferther you can use in calculated field.