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and yet more emacs

At this point we should mention C-x u which is the undo option it will undo
the last act. You can do several of these in a row,
notice there is a big difference between C-x u and C-x C-u you must let go of the Ctrl key,
before hitting the u key.

Handeling files and buffers can be done with menus on top but with shortcuts:
Opening a file is with C-x C-f you can use the tab to complete file names
as you can in the bash/tcsh command prompt.

When executing emacs from the command line you can give it a file name as a parameter,
in both cases should the file not exist emacs will create one.

Saving is done by C-x C-s which saves the current buffer(file) or
C-x s which will prompt to verify and save each and every open buffer.

One exits emacs with C-x c.

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