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Lock a document Click the document name at the top of the page. Select the Locked checkbox to lock it, or deselect it to unlock it. Click outside the pop-up to close it.
A padlock icon appears on the file’s icon or preview. Locking a file doesn’t prevent throwing it into the Trash, but you’re prompted to proceed when you do so, since you obviously locked it with a purpose. The Get Info window’s Locked option prevents changes on a single Mac, and . . . Read more
A LOCK file is a file used by various operating systems and programs to lock a resource, such as a file or a device. It typically contains no data and only exists as an empty marker file, but may also contain properties and settings for the lock.
You can freeze a terminal window on a Linux system by typing Ctrl+S (hold control key and press "s"). Think of the "s" as meaning "start the freeze". If you continue typing commands after doing this, you won’t see the commands you type or the output you would expect to . . . Read more
To encrypt a file or folder in Windows 7, 8, or 10, follow these steps: Navigate to the folder/file you want to encrypt. Right click on the item. … Check Encrypt contents to secure data. Click OK, then Apply.
Select the file or folder you want to encrypt. Right-click the file or folder and select Properties. On the General tab, click the Advanced button. Check the box for the "Encrypt contents to secure data" option, then click OK on both windows.
First, open the Office document you would like to protect. Click the File menu, select the Info tab, and then select the Protect Document button. Click Encrypt with Password. Enter your password then click OK.
Manage permissions for a PDF In the Preview app on your Mac, open a PDF. Choose File > Edit Permissions, then do any of the following: Set a password for opening the PDF: Select Require Password To Open Document. Enter a password, then retype it to verify. … Click Apply . . . Read more
How to encrypt zip files on Mac Open Terminal. Navigate to Finder > Utilities and click on the Terminal app. … Set the directory. The next step is to set the destination of the files that you want to zip and password-protect. … Compress and encrypt. Enter the command ‘zip . . . Read more
You can’t encrypt folders in a direct way on macOS, but you can put them in password-protected containers. This has the effect of protecting your folders and the files they contain with a password. To password protect folders on Mac, use Disk Utility or a third-party tool such as Encrypto.
