I would like to ask the difference the commands shown above with semicolon and pipe, and I wonder if why there is no response when I type who | sort in console, I used putty to connect to my school and even tried to issue this command in RedHat Console. pls kindly give me an advice. thank you
更新1:
but why I issued a command who | sort , there is no response from the terminal? pls kindly give me an advice .