WIth recent changes the reboot command can no longer be used if /etc/nshrc is missing.
The command now fails with a "No such file or directory" in this situation.
Fix this and also make it possible to run 'show diff-config' when /etc/nshrc is missing since
the reboot command will warn and ask for config changes to be reviewed and saved.
WIth recent changes the reboot command can no longer be used if /etc/nshrc is missing. The command now fails with a "No such file or directory" in this situation. Fix this and also make it possible to run 'show diff-config' when /etc/nshrc is missing since the reboot command will warn and ask for config changes to be reviewed and saved.