[Solved] The following is not an advantage of User Level Threads (ULT).

Q.	The following is not an advantage of User Level Threads (ULT).
A.	Thread switching does not requires kernel mode privileges because all of the thread management are within the user address space of a single process.
B.	Here scheduling can be application specific.
C.	ULT can be run an any operating system.
D.	When ULT executes a system call, not only that thread blocked, but all of the threads within the process are blocked.
Answer» D. When ULT executes a system call, not only that thread blocked, but all of the threads within the process are blocked.

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