单选题：linux，后台执行命令查看file内容的命令为

linux，后台执行命令查看file内容的命令为 @[C](2)

A. cat file
B. history file &
C. cat file|more &
D. touch file &




A.cat file
B.history file &
C.cat file|more &
D.touch file &


答案：C