Setting up a new Chrome OS device is a breeze compared to almost any other
operating system. Your browsing data, extensions, and even Android apps
sync down in a flash. The exception is Linux apps, which only live on a
single piece of hardware. That could change as soon as Chrome OS 74 thanks
to the inclusion of native backup and restore for Linux containers.
Read:
https://www.androidpolice.com/2019/01/29/chrome-os-74-may-bring-backup-and-restore-for-linux-containers/