forum.xda-developers.com/nexus-4/help/how-to-copy-cwm-backup...

So, CWM saves its backups and blob directory in /mnt/shell/emulated which is not accessible via MTP. I've started using TWRP for all my new backups but I would like to copy the existing CWM backups to my PC before wiping the directory on my phone. It's ...

sigitp.wordpress.com/2013/01/23/nandroid-backup-restore-for-...

A walkthrough of 'Nandroid Backup & Restore for Android 4.2'

forums.androidcentral.com/google-nexus-7-2012-rooting-roms-h...

Hello, I have a rooted Nexus 7 running 4.2.1 (JOP40D). Prior to 4.2 I had Cyanogenmod 10 installed. I've been using ROM Manager (updated today to v5.0.2.5) and Titanium Backup. Everything worked fine and after running ROM Man and Titanium B, I would co ...