Re: Mac USB driver for macOS 11 & Apple Silicon hardware
The strongest quoting you achieve with single quotes ('...') compared to double quotes ("...").
In short:
Single quote ('...'): inhibits all interpretation of a sequence of characters.
Double quote ("..."): suppresses most of the interpretation of a sequence of characters.
More verbose:
Single quotes ('...') are used to preserve the literal value of each character enclosed within the quotes. A single quote may not occur between single quotes, even when preceded by a backslash.
Using double quotes the literal value of all characters enclosed is preserved, except for the dollar sign, the backticks (backward single quotes, ``) and the backslash. [... left some further details ...]
Conclusions - Single quotes are the strongest, safest and easiest to use quotes
Double quotes are useful for e.g. scripting if you still need a working variable substitution, for things like e.g.
echo "Today is: $DATE and $TIME"
If you want to ensure - like in this case - that every character of a volume name is literally taken without any interpretation of the shell or whatever, then the savest way is to use single quotes ('...'):
'/Volumes/Macintosh HD'
As Apple has many roots in Unix ("userland" commands, shell, ..) you can google for "unix quoting" to get even more details on this topic, but this I can only recommend to the interested "coder / scripter".
The essence for you is: single quotes ('...') are the strongest, safest and easiest to use quotes in such cases to keep the volume name literally even if it should use spaces or other special characters.