If you regularly receive unix commands that you need to copy-n-paste out of a Word document, then you should disable AutoFormat/AutoCorrect, because it is otherwise difficult to ensure that quote and dash characters aren't damaged.

SecureCRT

SecureCRT can fix these characters on the fly, whenever something is pasted into a terminal. There is a configuration that enables this:

edit the global.ini file, and change the line
S:"Clipboard Data Format"= [may be blank]
to
S:"Clipboard Data Format"=VDS_TEXT