Copyright (c) 2012-2016 Hyperion Entertainment and contributors.
The AmigaDOS software is contained in files stored on the system partition. They all are binaries, either programs usable by the user or libraries or other sets of functions usable by the AmigaDOS commands.
You can think of AmigaDOS as a complete system for operating the computer and its peripherals.
SHELL is a "command line interface" (CLI) that provides a lot of features to interact with the operating system. Simply put, it means that you use an "interface" (in this case a shell window) to send commands to the computer which still uses this interface to display results of your commands.
For historical reasons, you will still find references to the CLI in AmigaOS but this is really a shell that is used everywhere in the system.
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Starting a shell
- Double click the Shell icon, that you can find in the System folder of the system partition.
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- Use the Execute requester of the Workbench and issue one of the following commands "newshell", "newcli" or "cli".