Colin Kilbane wrote: > > How do you set your environment so that you can run a particular program > such as acrobat, from any current working directory? In addition how can > you assign a particular file format a default reader? You path enviroenment variable tells your shell where to look for programs. If acrobat is in /usr/local/acrobat/bin, then add this to your path variable. (usually in .bash_profile) Do a 'echo $PATH' to see your current PATH settings. As for assigning file formats to readers, it all depends on how you call the program. If you're using a KDE or gnome file manager, they both have places where you can assign application for different file-types. From the command-line there isn't a way (by default) to have an application open when you (try to) run a non-executable file.