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1、答案：答案：C What is the proper way to type an e-mail and send it after typing in the mail-s SUBJECT UserName command?A.typing in the command viB.typing in the note commandC.typing a note ending with a ctrl+dD.specifying a file name where the note is stored答案：答案：B What is the command to show the messages
2、 in file work?A.mail workB.mail -f workC.mail -i workD.mail -F work答案：答案：A Which mail command is used to send a note back to the originator of an e-mail message?A.r commandB.f commandC.reply file must existD.forward file must exist答案：答案：C Which option is used to delete multiple e-mail messages when
3、using the mail command?A.shell scriptB.delete file must existC.d command followed by the message numbersD.dd command to set up a block of message numbers答案：答案：D What is the correct way for a user to change the users name in the password file?A.edit the/etc/passwd file and change theusers nameB.type
4、the passwd commandC.type the logname command followed by theusers nameD.type the passwd-f command答案：答案：D What is the proper way for a user to change the users login shell?A.type the shell newshell command,where newshell is the new shellB.type the sh commandC.edit the/etc/passwd file and change the shellD.type the passwd-s command then choose the shell