Cannot open /root/.gv for reading.

Syntax: gv-update-userconfig [-r] [-n] [-N] [-s] [filename] filename: specifies file to update. Defaults to '~/.gv' -r : Remove resources that have default value, too -n : Switch to alternative navigation -N : Switch to standard navigation -s : Remove navigation resources gv-update-userconfig is a simple script to update an .gv config file to the current version of gv by removing all entries known to cause problems with the current version of gv.