Is it possible to setup a runlevel environment where you are in single user
mode but still have network access available?

Here's the scenario that is causing me to ask this question

1) You cannot get 'crisp' backups of a Linux guest while it is running.
Corollary: You cannot cleanly backup a file system that is open r/w.
2) We have a product called 'Universal command' from stonebranch software.
We have the z-tux client/server installed and can now issue commands
against Linux guests from z/OS batch and ISPF dialogues
3) Using batch scheduling software, I'd like to run a job that commands
Linux to go to single user mode, but keeping the network active, unmount
the file systems and kick off a batch job to back up the file systems disks
4) issue a shutdown -R command to reboot the image


I am uncertain if the stonebranch people have a VM client so that guests
could be logged on via automation from z/OS, but what I'm looking to do is
quiesce the Linux guest in order to back it up and use an automated way to
bring that guest back up.

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