sudo useradd -m [username] ?
su [username] ?
Or am I understanding your idea about switching context wrong?
su [username] ?
Or am I understanding your idea about switching context wrong?
If you want to share specific directories, you can just put the shared directory in a common location, set it to be owned by some group, and make both users a member of that group. I don't see anything not-straightforward in there?
* chmod lets you share with everyone
* addgroup and chown let you share with a specific group of users.
Your private SSH keys? Your browser’s cookie jar? Your tax reports?