How can an operator list all its history of commands in one step?()A. Run c -l 0?from the command line.Run ?c -l 0?from the command line.B. Invoke SMIT for the shell environment.C. Run the SC + H?combination at the command prompt.Run the ?SC + H?combinati

题目
How can an operator list all its history of commands in one step?()

A. Run c -l 0?from the command line.Run ?c -l 0?from the command line.

B. Invoke SMIT for the shell environment.

C. Run the SC + H?combination at the command prompt.Run the ?SC + H?combination at the command prompt.

D. Use a rep?command with its UID against the /var/log/history_cmds file.Use a ?rep?command with its UID against the /var/log/history_cmds file.


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  • 第1题:

    执行以下操作后,list_two的值是: list_one=[4,5,6] list_two=list_one list_one[2]=3

    A.[4,5,6]

    B.[4,3,6]

    C.[4,5,3]

    D.都不对


    [4,5,3]

  • 第2题:

    history对象包含用户(在浏览器中)访问的URL,可以通过window.history属性来访问用户的浏览历史。该对象的主要方法有以下三个:

    A.back

    B.forward

    C.go

    D.list


    正确

  • 第3题:

    【单选题】执行以下操作后,list_two的值是: list_one=[4,5,6] list_two=list_one list_one[2]=3

    A.[4,5,6]

    B.[4,3,6]

    C.[4,5,3]

    D.都不对


    [4,5,3]

  • 第4题:

    现在需要对list类对象使用的逻辑运算符==重载,以下函数声明正确的是?

    A.list &list::operator==(const list &a);

    B.list list::operator==(const list &a);

    C.bool &list::operator==(const list &a);

    D.bool list::operator==(const list &a);


    $

  • 第5题:

    6、现在需要对list类对象使用的逻辑运算符==重载,以下函数声明正确的是?

    A.list &list::operator==(const list &a);

    B.list list::operator==(const list &a);

    C.bool &list::operator==(const list &a);

    D.bool list::operator==(const list &a);


    bool list::operator==(const list &a);

  • 第6题:

    【单选题】若超链接的href属性,需要链接到list页面中的one锚点,以下书写正确的是:

    A.list.html

    B.#one.list

    C.list#one

    D.list.html#one


    D