你可能感興趣的試題

A、POP3
B、IMAP
C、SMTP
D、S/MIME

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