For some unknown reason, gv (ghostview), which is a postscript and PDF viewer, is no longer installed by default in Fedora. I find this to be absurd, but it can be fixed easily enough since it is located in Fedora Extras. To install it, use yum:
~> sudo yum install gvPress 'y' when prompted to install the programs and any additional dependencies. You are now ready to launch gv:
~> gv &As an application to view postscript files, I find it to be highly useful, especially since you can chose which pages you would like to print within a postscript file before sending it to the printer.