你可能感興趣的試題

A、echo The current working path is $PWD.
B、echo "The current working path is $PWD." Echo hello
C、echo 'The current working path is $PWD.' Echo hello
D、echo "The current working path is `pwd`."
E、echo The current working path is $PWD. Echo hello

A、date>>/tmp/date
B、date>/tmp/date
C、date 2>/tmp/date
D、date &>/tmp/date