If you can't edit a file in any application, including the Terminal, then it may have a lock flag associated with it. Topher, an avid Mac user for the past 15 years, has been a contributing author to ...

Passwords are universally regarded as the first line of defense in the software world. Be it when setting up a new device or even while opening an online account, — securing it with a password is the ...

File locking has a long tradition in computing: you or independently running software wants to make sure that a file isn’t modified or deleted when it’s needed or in use. Because macOS is Unix based, ...

We may have mentioned this once before, but just in case we didn't: You cannot drag a locked file to the Trash. If you try, you will get a message warning that you do not have sufficient privileges to ...

Privacy, privacy, privacy. The word on everyone’s lips is making its way to our smartphones. And after seeing which are the best apps to hide or lock files on ...

SecretFolder is a tiny freeware for Windows, that lets you hide folders as well as lock and password-protect your personal and private content. SecretFolder is a basic, yet useful tool without any ...

To avert the problems associated with the file locking mechanism, POSIX introduced record locking via the fcntl() syscall (the pre-POSIX lockf() and flock() syscalls provide the same functionality but ...