I put your question into Google and got the following result which shows how to do this in Terminal It apparently works for Yosemite as well.
http://ianlunn.co.uk/articles/quickly-showhide-hidden-files-mac-os-x-mavericks/ > On 28 Dec 2014, at 00:26, Scott Berry <sb356...@gmail.com> wrote: > > How do I show hidden files on the Mac? > > > -- > You received this message because you are subscribed to the Google Groups > "MacVisionaries" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to macvisionaries+unsubscr...@googlegroups.com. > To post to this group, send email to macvisionaries@googlegroups.com. > Visit this group at http://groups.google.com/group/macvisionaries. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. To unsubscribe from this group and stop receiving emails from it, send an email to macvisionaries+unsubscr...@googlegroups.com. To post to this group, send email to macvisionaries@googlegroups.com. Visit this group at http://groups.google.com/group/macvisionaries. For more options, visit https://groups.google.com/d/optout.