单选题在Linux中,如何关闭邮件提示?()A biff nB mesg nC notify offD set notify=off

题目
单选题
在Linux中,如何关闭邮件提示?()
A

biff n

B

mesg n

C

notify off

D

set notify=off


相似考题
参考答案和解析
正确答案: B
解析: 暂无解析
更多“单选题在Linux中,如何关闭邮件提示?()A biff nB mesg nC notify offD set notify=off”相关问题
  • 第1题:

    在Linux中,如何关闭邮件提示()。

    A.biffn

    B.mesgn

    C.notifyoff

    D.setnotify=off


    正确答案:A

  • 第2题:

    实现线程交互的wait()和notify()方法在______类中定义。


    正确答案:Object。
    Object。 解析:waitO和notify()方法是java.lang.object类的方法,是实现线程通信的两个方法。

  • 第3题:

    Which of the following is the stated proper sequence before commencing cargo operations aboard Ro-Ro vessels?

    A.Start ventilation,lower the ramp,notify engine room

    B.Lower the ramp,start ventilation,notify engine room

    C.Notify engine room,lower the ramp,start ventilation

    D.Start ventilation,notify engine room,lower the ramp


    正确答案:C

  • 第4题:

    We had a long way to go so we decided to__
    early.

    A.set on
    B.put on
    C.set off
    D.put off

    答案:C
    解析:

  • 第5题:

    Notify-party的意思是()


    正确答案:被通知方

  • 第6题:

    Which statements concerning the methods notify() and notifyAll() are true?  

    • A、Instances of class Thread have a method called notify().
    • B、A call to the method notify() will wake the thread that currently owns the monitor of the object.
    • C、The method notify() is synchronized.
    • D、The method notifyAll() is defined in class Thread.
    • E、When there is more than one thread waiting to obtain the monitor of an object, there is no way to be     sure which thread will be notified by the notify() method.

    正确答案:A,E

  • 第7题:

    Given:  foo and bar are public references available to many other threads, foo refers to a Thread and bar is an Object. The thread foo is currently executing bar.wait().  From another thread, what provides the most reliable way to ensure that foo will stop executing wait()?()

    • A、foo.notify();
    • B、bar.notify();
    • C、foo.notifyAll();
    • D、Thread.notify();
    • E、bar.notifyAll();
    • F、Object.notify();

    正确答案:E

  • 第8题:

    在Linux中,如何关闭邮件提示?()

    • A、biff n
    • B、mesg n
    • C、notify off
    • D、set notify=off

    正确答案:A

  • 第9题:

    单选题
    wait()、notify()和notifyAll()方法是在哪个类中定义的()。
    A

    Thread

    B

    Runnable

    C

    Object

    D

    Event

    E

    Synchronize


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    foo and bar are public references available to many other threads. foo refers to a Thread and bar is an Object. The thread foo is currently executing bar.wait(). From another thread, which statement is the most reliable way to ensue that foo will stop executing wait()?
    A

     foo.notify();

    B

     bar.notify();

    C

     foo.notifyAll();

    D

     Thread.notify();

    E

     bar.notiFYAll();

    F

     Object.notify();


    正确答案: D
    解析: 暂无解析

  • 第11题:

    单选题
    Given:  foo and bar are public references available to many other threads, foo refers to a Thread and bar is an Object. The thread foo is currently executing bar.wait().  From another thread, what provides the most reliable way to ensure that foo will stop executing wait()?()
    A

    foo.notify();

    B

    bar.notify();

    C

    foo.notifyAll();

    D

    Thread.notify();

    E

    bar.notifyAll();

    F

    Object.notify();


    正确答案: D
    解析: 暂无解析

  • 第12题:

    单选题
    在多线程并发程序设计中,能够给对象x加锁的语句是(  )。
    A

    x.wait()

    B

    synchronized(x)

    C

    x.notify()

    D

    x.synchronized()


    正确答案: A
    解析:
    一个程序中单独的、并发的线程对同一个对象进行访问的代码段称为临界区。Java中,临界区用“synchronized”关键字标识。每个由synchronized(Object)语句指定的对象设置一个锁,称为对象锁。对象锁是一种独占的排他锁,即当一个线程获得了对象的锁后,便拥有该对象的操作权,其他任何线程不能对该对象进行任何操作。

  • 第13题:

    Given:fooandbararepublicreferencesavailabletomanyotherthreads.fooreferstoaThreadandbarisanObject.Thethreadfooiscurrentlyexecutingbar.wait().Fromanotherthread,whatprovidesthemostreliablewaytoensurethatfoowillstopexecutingwait()?

    A.foo.notify();

    B.bar.notify();

    C.foo.notifyAll();

    D.Thread.notify();

    E.bar.notifyAll();


    参考答案:E

  • 第14题:

    在FoxPro圆点提示符下,关闭所有的数据库命令是( )。

    A.USE

    B.CLOSE DATABASE

    C.SET DB OFF

    D.CIEAR


    正确答案:B

  • 第15题:

    If there’s a fire aboard your vessel, you should FIRST ______.

    A.notify the competent authorities

    B.sound the alarm

    C.have passengers put on life preservers

    D.cut off air supply to the fire


    正确答案:B
    假如你船失火,你首先应发出警报。

  • 第16题:

    The signals that will be used for emergency should be clearly ().

    • A、set out
    • B、set off
    • C、get off
    • D、cut off

    正确答案:A

  • 第17题:

    ag呼叫启动的时候,ag向mgc发送()消息

    • A、notify(OE://al/of)
    • B、notify(E://al/of)
    • C、notify(E://al/on)
    • D、modify(SG://al/ri)

    正确答案:B

  • 第18题:

    禁止在Visual FoxPro窗口中显示程序运行结果的命令为()。

    • A、SET ESCAPE OFF
    • B、SET TALK OFF     
    • C、SET EXTACT OFF
    • D、SET CONSOLE OFF

    正确答案:B

  • 第19题:

    Which statement is true?()   

    • A、 If only one thread is blocked in the wait method of an object, and another thread executes the modify on that same object, then the first thread immediately resumes execution.
    • B、 If a thread is blocked in the wait method of an object, and another thread executes the notify method on the same object, it is still possible that the first thread might never resume execution.
    • C、 If a thread is blocked in the wait method of an object, and another thread executes the notify method on the same object, then the first thread definitely resumes execution as a direct and sole consequence of the notify call.
    • D、 If two threads are blocked in the wait method of one object, and another thread executes the notify method on the same object, then the first thread that executed the wait call first definitely resumes execution as a direct and sole consequence of the notify call.

    正确答案:B

  • 第20题:

    单选题
    Which of the following is the stated proper sequence before commencing cargo operations aboard Ro-Ro vessels?()
    A

    Start ventilation,lower the ramp,notify engine room

    B

    Lower the ramp,start ventilation,notify engine room

    C

    Notify engine room,lower the ramp,start ventilation

    D

    Start ventilation,notify engine room,lower the ramp


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    Given: foo and bar are public references available to many other threads. foo refers to a Thread and bar is anObject.  The thread foo is currently executing bar.wait().  From another thread,what provides the most reliable wayto ensure that foo will stop executing wait()?
    A

    foo.notify();

    B

    bar.notify();

    C

    foo.notifyAll();

    D

    Thread.notify();

    E

    bar.notifyAll();


    正确答案: B
    解析: 暂无解析

  • 第22题:

    多选题
    Which statements concerning the methods notify() and notifyAll() are true?
    A

    Instances of class Thread have a method called notify().

    B

    A call to the method notify() will wake the thread that currently owns the monitor of the object.

    C

    The method notify() is synchronized.

    D

    The method notifyAll() is defined in class Thread.

    E

    When there is more than one thread waiting to obtain the monitor of an object, there is no way to be     sure which thread will be notified by the notify() method.


    正确答案: D,B
    解析: 暂无解析

  • 第23题:

    单选题
    Which statement is true?()
    A

     If only one thread is blocked in the wait method of an object, and another thread executes the modify on that same object, then the first thread immediately resumes execution.

    B

     If a thread is blocked in the wait method of an object, and another thread executes the notify method on the same object, it is still possible that the first thread might never resume execution.

    C

     If a thread is blocked in the wait method of an object, and another thread executes the notify method on the same object, then the first thread definitely resumes execution as a direct and sole consequence of the notify call.

    D

     If two threads are blocked in the wait method of one object, and another thread executes the notify method on the same object, then the first thread that executed the wait call first definitely resumes execution as a direct and sole consequence of the notify call.


    正确答案: D
    解析: 暂无解析