2.4. Shell Goodies
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You can recall the previous commands you entered by using the Up and Down
Arrow keys.
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You can edit the command line by using such keys as Left and Right (move one
character), Ctrl+A and Ctrl+E (to the start/end of the line),
or Alt+F and Alt+B (move one word forwards/backwards).
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By typing the beginning of a filename or filepath, you can complete the rest
of it by pressing the TAB key. Typing tab a second time will give you the
available filenames with this prefix.
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Pressing enter will always execute the command, even if the cursor is in the
middle of the line.
Written by Shlomi Fish