If you attempt to take Big Sur Beta 1 through DEP/Automated Enrollment it will fail. Preparations (MacOS Catalina onwards) Apple created a new Volume in Catalina for security purposes. Duplicate Sophos Home shield appears on macOS menu bar System Extension Blocked appears on new installations on macOS High Sierra 10. So you have to run the chown command as the root user or you can run the chown command with sudo. Recent Mac OS versions added many security features to keep the computer safe from applications not downloaded directly from the App store. Use Mac username and password, Hostname is 127. – Deborah May 9 '14 at 3:28 Its asking me for sudo to do a lot of things and I vaguely remember a chown command Stack Exchange Network Stack Exchange network consists of 178 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. The group ownership has been changed, but the user ownership remains the same. Don't use FTP and Port 21, but only SFTP and Port 22. Macos chown not found Go to your Mac’s operating hard drive (usually named Macintosh HD by default) and then click these three keys at the same time: Command + Shift +.