Apple Macintosh - Warnings Involving Erasure or Trash Icon

318 Macintosh User's Handbook
Warnings Involving Erasure or the Trash Icon
OK
Rre you sure you want to throllt away
a system file?
( Cancel )
Cause: Attempt to move a system file to the Trash icon.
OK
That item is locked or in use, and can't
be remoued.
Cause: Attempting to discard an item which is locked or in
use.
OK
That is the startup disk; it can't be
erased.
Cause: Attempting to erase the System disk.