Whichofthefollowingkdbsubcommandsshouldbeenteredtoobtaininformationaboutaserialport?()A.ttyB.statC.traceD.stream
题目
Whichofthefollowingkdbsubcommandsshouldbeenteredtoobtaininformationaboutaserialport?()
A.tty
B.stat
C.trace
D.stream