Windows users restrict disk access (allow users to view information on the desktop, but cannot access other disk content) 1, TrueCrypt Setup 7.1: free open-source disk encryption software for Windows 7/Vista/XP, Mac OS X, and Linux, advantages: open source, Free, encrypted space (encrypted volume), Logical disk, system disk, disadvantages of operating system encryption: power failure or system crash during disk encryption may lead to data loss www.2cto.com 2. Advantages of BitLocker of Win7: disadvantages of built-in functions of the system: if the corresponding disk is not unlocked before the system reinstalls, the disk data will be lost due to access failure after the system reinstalls. 3. Use windows Group Policy to manage gpedit. msc → Local Computer Policy → user configuration → management template → Windows Components → Windows Resource Manager → choose to prevent access to the drive from 'my pc' in the right window, and then set the disadvantages: some of them are user-independent restrictions.. In addition, the drop-down box of the disk is fixed. If you do not have the option to limit the disk size, you cannot use it flexibly. 4. Set the shared directory to Guest or a specific user (restrict logon to the local system) disadvantages of read-only permission: You need to sort the shared items into this directory every time! Not very convenient 5. Create test, disk → properties → Security → edit and add test Users, then select the Deny Access option (the permission to be denied is higher than the permission of the user's group !) Disadvantage: the Administrator's desktop cannot be accessed. Therefore, you still need to organize the shared items into a specific directory for users to use 6, on the basis of Step 5, the user permission is upgraded to the Administrator permission. In this way, all restrictions can be removed by the user! 7. Use test as a common user, but add the read and execute permissions of the test user to the permission of C: \ Users \ Administrator of the user home directory to share the desktop. By default, the user desktop can be viewed by the test user. Delete other things on the Desktop of the test user, and set a shortcut: Please go here to find information and link to C: \ Users \ Administrator \ Desktop to "let the user view information on the Desktop, but cannot access other disk content!