shutdown /r /o
Command, which restarts your PC and launches the Advanced Start Options
menu, which is where you can access Safe Mode and Windows recovery
utilities.
assoc
to display a full list of filename extensions and program
associations.
assoc .txt=
will change the file association for text files to whatever program you
enter after the equal sign.
fc /l "C:\Program Files (x86)\example1.doc" "C:\Program Files (x86)\example2.doc"
File Compare. Typing /b compares only binary output, /c disregards the
case of text in the comparison, and /l only compares ASCII text.