This question was asked in 2012 and this answer was written in 2020, and some things have changed in the interim, but a lot has remained the same.
I believe most of this question, the answer from Quantumpanda, and the description from Apple Support article suffer from a misunderstanding of the nature of "inactive memory". The OP points ...
Based on seron's answer I was able to come up with the following solution:
ACLs are rule based and the first rule to match is the rule that defines how a request for chown is handled. There can be more than one rule and the rules are ordered. ls -le problem_group_file.png will list all ACL rules for that file.
In TimeMachine every file seems to ...
If you can get Lion to boot you can go to the Startup Disk in System Preferences and select the internal disk. Maybe it in Recovery Mode if it won’t boot.
Basically does this under the hood.
To bless a volume with only macOS or Darwin, and create the BootX and boot.efi files as needed:
bless --folder "/Volumes/...
One possible explanation is that Mojave is on an APFS volume, which Mountain Lion doesn't know about. It's possible that your Mac's firmware also needs updating if the APFS volume is not being shown in the Boot Manager thing (Option at Start).
Seemingly, you have managed to get Mojave booted somehow, so it's not an incompatibility/lack of support for your ...