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Owners and users: Primary and secondary systems on M1 Macs

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M1 Macs have an elaborate system of keys and certificates which allow the installation of second operating systems, as well as the primary OS, based on Ownership.

July 21, 2021 Macs, Technology

Last Week on My Mac: The perils of M1 Ownership

The primary admin account on an M1 Mac is its Owner, responsible for authorising the installation and use of second operating systems. Here’s what can go wrong with Ownership.

July 18, 2021 Macs, Technology

Owners and groups in the Finder and command line

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Changing permissions is straightforward in the Finder or command line. But how would you go about changing a file/folder’s owner or group?

March 22, 2018 Macs, Technology
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