Wiktionary
userland
n. (context computing informal English) A conceptual space outside the kernel in which a user's applications can run without the risk of damage to the operating system.
Wikipedia
Userland
Userland may refer to:
- User space, operating system software that does not belong in the kernel
- UserLand Software, a U.S. software company specializing in web applications
- Radio UserLand, a computer program to aid maintaining blogs or podcasts