File and Folder Permissions in Windows

Overview

• Understanding file and folder permissions is essential for managing access in Windows systems (Windows 7, 10, 11).

Creating a Folder

• Navigate to the C root directory.
• Create a new folder (e.g., workshare).
• Right-click the folder and select Properties.

Setting Up Permissions

Security Tab

1. Go to the Security tab.
2. Click on Edit to modify permissions.
3. Click on Add to include a user or group (e.g., Everyone).
4. Check the name and click OK.
5. Click Apply and then OK to save changes.

Creating a Subfolder

• Inside the workshare folder, create a new folder (e.g., invoice).
• Right-click on invoice and select Properties.
• Go to the Security tab and click Advanced.

Disabling Inheritance

1. Click on Disable inheritance.
2. Select Remove all inherited permissions from this object and confirm the action.
3. Click Apply and then OK to return to the previous window.

Adding Permissions for Users

• As an administrator:
  1. Right-click the invoice folder, select Properties, and go to the Security tab again.
  2. Click Advanced and then Add to provide permissions for users.
  3. Select the principal (e.g., breitek for admin) and provide full control.
  4. Add another user (e.g., sally) with limited permissions:
     • Read and execute permissions.
     • No write permissions.
  5. Confirm changes by clicking Apply and then OK.

Checking Permissions

• Right-click on the invoice folder, go to Properties, then Security to view user permissions.

Testing User Access

Sally's Access

• Log into Sally's account:
  • She can read files but cannot edit or delete them.
  • Attempts to modify will prompt for admin permissions.

Jim's Access

• Log into Jim's account:
  • Can see the contents but cannot open or edit files due to lack of permissions.

Updating Permissions

• As an administrator, you can change permissions for users:
  1. Right-click on the folder, go to Security.
  2. Select a user (e.g., Jim), click Edit, and modify permissions (e.g., give full control).

Summary

• Setting file and folder permissions is crucial for privacy and security on shared computers.
• Useful for family PCs with multiple accounts to manage access to sensitive information.

Conclusion

• Understanding permissions enhances the ability to manage shared resources effectively.
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