...of the SPU. The possible operations on an open mem file are: read (2) pread (2) write (2) pwrite (2) lseek (2) These operate as usual, with the exception that lseek (2), write (…...nd_timedwait() pthread_cond_wait() pthread_join() pthread_testcancel() putmsg() putpmsg() pwrite() read() readv() recv() recvfrom() recvmsg() select() sem_timedwait() sem_wait()…...own (2) closes parts of a full-duplex socket connection. Seeking, or calling pread (2) or pwrite (2) with a nonzero position is not supported on sockets. It is possible to do no…...page size, and the write must be performed at the start of the file (i.e., lseek (2) and pwrite (2) can't be used to write to nonzero offsets in the file). • The range of user I…