Press "Alt-F2" to open a command line prompt within Unity. Type the command for Evince with your PDF file's name, file extension and its full path relative to the Home directory.

There are several ways you can bring up or open CMD or launch Command Prompt in Windows, via Win+X Menu, Task Manager, Cortana, Explorer, etc.

If you want to open an Elevated Command Prompt, which is one that runs with Administrator privileges, you can see the How to open a Windows 10 Elevated Command Prompt article instead.

Need an elevated Command Prompt fast? Try these quick methods to open Command Prompt with admin rights – less clicking, less disruption.

If the Command Prompt (CMD) is not working or opening on your Windows 11/10 PC, then here some working fixes to resolve the issue.

The "open" program is specific to OS X and lets you basically drag and drop a file with the -a command onto an application. This way it overrides the per-user OBJ open-with settings.

If you're tired of having to jump through hoops to open files with sudo privileges in the GNOME File Manager, Jack Wallen has just the trick you need.