**Background:**

I never expected to have *only* command line access to my Mac, but the day has arrived!  :)  Due to a video card problem, any attempt to boot the normal OS or recovery partition results in a kernel panic.  However, I *can* boot into Single User mode!  (The screen has a bunch of green horizontal lines through it every other pixel, but it is still readable.)

I have checked and verified that my data is intact.  I have a Genius Bar appointment to get the video card replaced.

I have a couple of backup drives on which I have CarbonCopyCloner backups of my computer, however these are out of date.

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**I want to back up my Mac from the Single User Mode command line using CarbonCopyCloner** before I take it for the video card replacement.  I found [this link on the `ccc` tool](https://bombich.com/kb/ccc4/using-ccc-command-line-tool-start-stop-and-monitor-ccc-backup-tasks), but I don't think I have ccc **4** because that file doesn't exist on my computer (though the directory does).

Questions are:

1. How can I tell what version of CarbonCopyCloner I have, from the Single User Mode command line?
2. How can I use this version of CCC to update one of my full backups before I take the machine in for service?
3. *If* this can't be done from the command line with this version of CCC, how else could I back up all data before taking it in for service (from Single User mode)?