Save keeps a copy of your file on a storage area that you choose, so that it is not lost when you close it or if the application closes before you are finished working on it.
Use Save As Command...
save
yes
a file
The Save command cannot be undone.
The Save As command.
You perform several edits in a table within an Access database. When should you execute the Save command?
In most applications on a Mac you will find Save As... in the applications File menu. If the work has not been saved pressing Command (cmd) and S keys will present a Save As... window. If the file has already been saved, press Shift+Command+S to get the Save-As window. OSX 10.8 uses the 'Duplicate' command rather than "save as."
The Save As command.
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The Save As comand is used for various things. It canbe used to save the file with a new name, giving you a separate copy of the file. It can be used to save the file into a new location. It can be used to save the file into a different format.
Ctrl+Shift+S