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单选题An operator wants to move all files inside the directory /home/operator to the current directory. Which of the following commands will complete the task?（）A mv /home/operator .B mv /home/operator/* .C mv /home/operator ../..D mv /home/operator/all ../h

题目
单选题
An operator wants to move all files inside the directory /home/operator to the current directory. Which of the following commands will complete the task?（）
A

mv /home/operator .

B

mv /home/operator/* .

C

mv /home/operator ../..

D

mv /home/operator/all ../home/operator

相似考题

1.将x+y*z中的“+”用成员函数重载，“*”是友元函数重载应写为( )。A．operator+(operator*(y，z))B．x.operator+(operator*(y，z))C．x.operator+(X*(y，z))D．x+(operator*(y，z))

2.如果在表达式＋＋x/y中，＋＋是作为友元函数重载的，/是作为成员函数重载的，则该表达式还可为A．(operator＋＋(x) ) .operator/(y)B．(operator＋＋(0) ) .operator/(y)C．operator/((operator＋＋(x,0) ) ,y)D．operator/((operator＋＋(0) ) ,y)

3.如果表达式++x/y中，+ +是作为友元函数重载的，/是作为成员函数重载的，则该表达式还可为( )。A．(operator + +(x)).operator/(y)B．(operator + +(0))．operatr/(y)C．operator/((operator + + (x，0))，y)D．operator/((operator + + (0))，y)

4.将x+y*z中的“+”用成员函数重载，“*”用友元函数重载应写为( )。A．operator+(operator*(y,z))B．x.operator+ (operator*(y,z))C．x.operator+(x*(y,z))D．x+(operator*(y,z))

参考答案和解析
正确答案： A
解析： 暂无解析
更多“单选题An operator wants to move all files inside the directory /home/operator to the current directory. Which of the following commands will complete the task?（）A mv /home/operator .B mv /home/operator/* .C mv /home/operator ../..D mv /home/operator/all ../h”相关问题

  • 第1题：

    如果表达式++x/y中，++是作为友元函数重载的，/是作为成员函数重载的，则该表达式还可为( )。

    A．(operator++(x)).operator/(y)

    B．(operator++(0)).operatr/(y)

    C．operator/((operator++(x，0))，y)

    D．operator/((operator++(0))，y)


    正确答案：A

  • 第2题：

    Which configuration command builds a read－write SNMP community named operator?()

    A.Snmp-server community operator.

    B.Snmp-server operator community.

    C.Snmp-server community operator rw.

    D.Snmp-server operator community rw


    参考答案：C

  • 第3题：

    An operator wants to move all files inside the directory ／home／operator to the current directory. Which of the following commands will complete the task?()

    A. mv /home/operator .

    B. mv /home/operator/* .

    C. mv /home/operator ../..

    D. mv /home/operator/all ../home/operator


    参考答案：B

  • 第4题：

    When off loading garbage to another ship, your records must identify that ship by name and ______.

    A.home port

    B.operator's name of record

    C.official number

    D.master's name


    正确答案：C

  • 第5题：

    如果表达式--x+y中，--是作为成员函数重载的，+是作为成员函数重载的，则该表达式还可为( )

    A.y.operator+(x.operator--(0))
    B.y.operator+(x.operator--())
    C.y.operator+(operator--(x,0))
    D.operator+(x.operator--())

    答案：B
    解析：

  • 第6题：

    An operator needs to change from the /usr/bin to the /var/spool directory. Which of the following commands will accomplish this?（）

    • A、cd /var/spool
    • B、lcd /var/spool
    • C、cd /usr/bin /var/spool
    • D、lcd /usr/bin /var/spool

    正确答案:A

  • 第7题：

    An operator wants to move all files inside the directory /home/operator to the current directory. Which of the following commands will complete the task?（）

    • A、mv /home/operator .
    • B、mv /home/operator/* .
    • C、mv /home/operator ../..
    • D、mv /home/operator/all ../home/operator

    正确答案:B

  • 第8题：

    An administrator is supporting an AIX 6.1 LPAR remotely and needs a tape operator to plug a cable into an Ethernet adapter. The tape operator does not have POWER6 595 knowledge.  What can the administrator do to assist the tape operator to locate the correct adapter？（）  

    • A、Advise the tape operator to review the hardware service guide.
    • B、Use the diag command to set the Ethernet adapter slot LED to flash.
    • C、Advise the tape operator to check the WWN stickers of all Ethernet adapter in the I/O drawers.
    • D、Create a login account for tape operator on the HMC and advise the tape operator to locate the adapter using the GUI step by step.

    正确答案:B

  • 第9题：

    An operator must check the status of print queues on a regular basis. Which of the following commands can be used to check on all the print queues?（）

    • A、lslp -a
    • B、qchk -A
    • C、enq -s ALL
    • D、lpstat -p ALL

    正确答案:B

  • 第10题：

    单选题
    Which statement is true regarding subqueries?（）
    A

    The LIKE operator cannot be used with single-row subqueries 

    B

    The NOT IN operator is equivalent to IS NULL with single-row subqueries 

    C

    =ANY and =ALL operators have the same functionality in multiple-row subqueries 

    D

    The NOT operator can be used with IN, ANY, and ALL operators in multiple-row subqueries 


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    A vessel’s Certificate of Documentation （）.
    A

    may be retained by the owner at the home port or kept on the vessel

    B

    must be posted under transparent material in the pilothouse

    C

    must be carried on board

    D

    must be kept on file at the corporate offices of the owner or operator


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    Which configuration command builds a read-write SNMP community named operator?（）
    A

    Snmp-server community operator.

    B

    Snmp-server operator community.

    C

    Snmp-server community operator rw.

    D

    Snmp-server operator community rw


    正确答案： D
    解析： 暂无解析

  • 第13题：

    Operator overloading operator+= which appends another String instance into current String

    instance.


    正确答案：
     

  • 第14题：

    What command would an operator use to move a file from the ／old_dir directory to the ／new_dir directory without changing the file name?()

    A. mv /old_dir/file /new_dir

    B. mv -p /old_dir/file /new_dir

    C. mv -k /old_dir/file /new_dir

    D. mv /old_dir/file /new_dir/new_file


    参考答案：A

  • 第15题：

    An operator needs to change from the ／usr／bin to the ／var／spool directory. Which of the following commands will accomplish this?()

    A. cd /var/spool

    B. lcd /var/spool

    C. cd /usr/bin /var/spool

    D. lcd /usr/bin /var/spool


    参考答案：A

  • 第16题：

    Which maintenance functions can a GMDSS Radio Operator perform ________．

    A.The Operator can make fine internal adjustments to the transmitter as long as the output power does not change by more than one percent

    B.The Operator is responsible for ensuring that INMARSAT antennas are free of built-up soot and clear of obstacles

    C.All levels of maintenance must be performed by a licensed GMDSS Radio Maintainer

    D.The Operator may install an EPROM in order to ensure that the equipment continues to operate within legal constraints


    正确答案：B

  • 第17题：

    如果表达式x*y+z中，\"*\"是作为友元函数重载的，\"+\"是作为友元函数重载的,则该表达式还可为

    A.operator+（ operator*（x, y）,z）
    B.x.operator+（ operator*（x, y）,z）
    C.y.operator*（ operator+（x, y）,z）
    D.x.operator+（ operator*（x, y））

    答案：A
    解析：
    C++中用成员函数重载x*y为：x. operator*（y），用友元函数重载x*y为：operator*（x，y），用成员函数重载x+y为：x. operator+（y），用友元函数重载x+y为：operator+（x，y）。

  • 第18题：

    Which configuration command builds a read-write SNMP community named operator?（）

    • A、Snmp-server community operator.
    • B、Snmp-server operator community.
    • C、Snmp-server community operator rw.
    • D、Snmp-server operator community rw

    正确答案:C

  • 第19题：

    An operator wants to view all the scheduled jobs on a system. Which of the following locations would house scheduled jobs?（）

    • A、/etc/var/spool
    • B、/var/spool/cron
    • C、/var/sched/jobs
    • D、/usr/sched/crontabs

    正确答案:C

  • 第20题：

    Which statement is true regarding subqueries?（）

    • A、The LIKE operator cannot be used with single-row subqueries 
    • B、The NOT IN operator is equivalent to IS NULL with single-row subqueries 
    • C、=ANY and =ALL operators have the same functionality in multiple-row subqueries 
    • D、The NOT operator can be used with IN, ANY, and ALL operators in multiple-row subqueries 

    正确答案:D

  • 第21题：

    单选题
    An operator needs to change from the /usr/bin to the /var/spool directory. Which of the following commands will accomplish this?（）
    A

    cd /var/spool

    B

    lcd /var/spool

    C

    cd /usr/bin /var/spool

    D

    lcd /usr/bin /var/spool


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    An administrator is supporting an AIX 6.1 LPAR remotely and needs a tape operator to plug a cable into an Ethernet adapter. The tape operator does not have POWER6 595 knowledge.  What can the administrator do to assist the tape operator to locate the correct adapter？（）
    A

    Advise the tape operator to review the hardware service guide.

    B

    Use the diag command to set the Ethernet adapter slot LED to flash.

    C

    Advise the tape operator to check the WWN stickers of all Ethernet adapter in the I/O drawers.

    D

    Create a login account for tape operator on the HMC and advise the tape operator to locate the adapter using the GUI step by step.


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    An operator must check the status of print queues on a regular basis. Which of the following commands can be used to check on all the print queues?（）
    A

    lslp -a

    B

    qchk -A

    C

    enq -s ALL

    D

    lpstat -p ALL


    正确答案： D
    解析： 暂无解析

  • 第24题：

    单选题
    An operator wants to move all files inside the directory /home/operator to the current directory. Which of the following commands will complete the task?（）
    A

    mv /home/operator .

    B

    mv /home/operator/* .

    C

    mv /home/operator ../..

    D

    mv /home/operator/all ../home/operator


    正确答案： B
    解析： 暂无解析

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