How do I make a text file read only?

To change the read-only attribute, follow these steps:
  1. Right-click the file or folder icon.
  2. Remove the check mark by the Read Only item in the file’s Properties dialog box. The attributes are found at the bottom of the General tab.
  3. Click OK.

How do I change a file from R to read only?

On the R‑Studio main panel, select the Tools menu, then Settings , and select Enable Write on the Settings dialog box. The Editable: status will change to Yes from Read Only .

How do you make a file read only on Android?

Select the Options tab. Check Mark Unlocked Working Files Read-only, which applies to files that are unlocked in the application or in application integrations with third-party applications. If this check box is cleared, you must use the operating system to change the read-only attribute to read/write.

How do I make a file read only in CMD?

+R – Use the +R option to make a file read-only.