How can you have two volumes in the same APFS container with identical names? How does macOS handle the conflicts?
terminal
Similarities and differences, how to make each in the Finder and Terminal, how much space they use, and how they work in APFS.
Many folders have them. They’re so invisible that you can’t even see them when you show hidden files. And the only way you know they’re there is when they cause problems.
Although there doesn’t appear to be any straightforward way to run command tools or scripts only on Efficiency cores, there are ways and means.
Two basic rules: M1 Macs run Arm-native code when it’s available, but won’t mix ARM-native and Intel code in the same process. Here are the details.
How can you run an app in a language different to that set for your system? Why doesn’t that work for command tools? And how difficult can a tool make controlling its environment?
How can you create and resolve Finder Aliases at the command line? And two further utilities you may find helpful for working with Aliases.
Running an AppleScript which tries to run a shell command with root privileges can fail. Here’s why, and what we can’t do about it.
How can you put four files with apparently identical names in the same folder? Here’s the secret, and the magic of Unicode.
Do you know how to customise the zsh shell now standard in Catalina? Here’s an excellent book which covers it in detail – and curious choice in 10.15.