A system administrator wants to run a script called myscript， but does not want to see the errors that might be generated by the script. How would this be accomplished？（）A、/usr/local/bin/myscript > /dev/nullB、/usr/local/bin/myscript < /dev/nullC、/usr/loca

题目

A system administrator wants to run a script called myscript， but does not want to see the errors that might be generated by the script. How would this be accomplished？（）

  • A、/usr/local/bin/myscript > /dev/null
  • B、/usr/local/bin/myscript < /dev/null
  • C、/usr/local/bin/myscript 2> /dev/null
  • D、/usr/local/bin/myscript 1> /dev/null
相似考题

1.Whichofthesecommandsallowsyoutousesharedlibrariesthatarein／usr／local／lib?()A.exportLD_PRELOAD=/usr/local/libB.exportLD_LIBRARY_PATH=/usr/local/libC.Idconfig/usr/local/libD.Idd/usr/local/lib

2.Whichcronentrywillrun／usr／local／bin／myscriptat0500everySaturdayofthefollowing?()A.05**6/usr/local/bin/myscriptB.056**/usr/local/bin/myscriptC.6**50/usr/local/bin/myscriptD.50Sat**/usr/local/bin/myscript

3.Asystemadministratorwantstorunascriptcalledmyscript,butdoesnotwanttoseetheerrorsthatmightbegeneratedbythescript.Howwouldthisbeaccomplished?()A./usr/local/bin/myscript>/dev/nullB./usr/local/bin/myscript</dev/nullC./usr/local/bin/myscript2>/dev/nullD./usr/local/bin/myscript1>/dev/null

4.Whenrunonamachinecalledclient,whichofthefollowingcommandswillmountthe／usr／local／bindirectoryfromthehostoverthe／home／bindirectoryonclient?()A.mounthost：/home/bin/usr/local/binB.mountclient：/home/bin/usr/local/binC.mount-nhost/usr/local/bin/home/binD.mount-ohost：/usr/local/bin/home/bin

更多“A system administrator wants to run a script called myscript， but does not want to see the errors that might be generated by the script. How would this be accomplished？（）A、/usr/local/bin/myscript  /dev/nullB、/usr/local/bin/myscript  /dev/nullC、/usr/local/”相关问题

  • 第1题：

    Giventhefollowingscripts,bothfoundin／usr／local／bin,whatwouldtheoutputbewhenexecuting／usr／local／bin／script1?()

    A.dogcat

    B.dogfish

    C.mousecat

    D.mousefish


    参考答案：B

  • 第2题：

    Giventhefollowingscripts，whatoutputwouldbegenerated（）usr/local/bin/scriptl!/usr/bin/kshVARl=redexportVARl=greenVARl=blue/usr/local/bin/script2ARl=yellow/usr/local/bin/script2!/bin/kshecho"Theskyis${VAR1}."

    A.Theskyisred.

    B.Theskyisblue.

    C.Theskyisgreen.

    D.Theskyisyellow.


    参考答案：C

  • 第3题：

    A System p administrator suspects they are receiving an error from one of their nightly cron jobs. The  job is： 0 1 * * * /usr/local/bin/nightlycheck.pl Where should the administrator first look for errors reported by  this cron job（）

    • A、/var/log/syslog.out
    • B、var/log/cron.log
    • C、/var/spool/cron/logs
    • D、mail

    正确答案:D

  • 第4题：

    A system administrator has just finished upgrading a system to AIX 5.2. If there are future problems， the system administrator would like to add an entry to the AIX errorlog to record this event. Which of the following commands can be issued for this purpose？（）

    • A、/usr/bin/errmsg "System upgraded to AIX 5.2"
    • B、/usr/bin/errlog "System upgraded to AIX 5.2"
    • C、/usr/bin/errupdate "System upgraded to AIX 5.2"
    • D、/usr/bin/errlogger "System upgraded to AIX 5.2"

    正确答案:D

  • 第5题：

    Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday of the following？（）

    • A、0 5 * * 6 /usr/local/bin/myscript
    • B、0 5 6 * * /usr/local/bin/myscript
    • C、6 * * 5 0 /usr/local/bin/myscript
    • D、5 0 Sat * * /usr/local/bin/myscript

    正确答案:A

  • 第6题：

    When run on a machine called client， which of the following commands would mount the /usr/local/bin directory from the host machine over the /home/bin directory on client？（）

    • A、mount host：/usr/local/bin /home/bin
    • B、mount client：/home/bin /usr/local/bin
    • C、mount -o client：/usr/local/bin /home/bin
    • D、mount -n host：/home/bin /usr/local/bin

    正确答案:A

  • 第7题：

    A backup is taken using the following command:tar -cvf abcdef.tar /usr/local/include/tcpd.h The operator is in the directory /usr/local/restores and runs the following command: tar -xvf abcdef.tar. Where will the file be restored?（）

    • A、/usr/local/include/tcpd.h
    • B、/usr/local/restores/tcpd.h
    • C、/usr/local/restores/include/tcpd.h
    • D、/usr/local/restores/usr/local/include/tcpd.h

    正确答案:A

  • 第8题：

    Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday（）

    • A、5 0 * * 6 /usr/local/bin/myscript
    • B、6 * * 5 0 /usr/local/bin/myscript
    • C、0 5 * * 6 /usr/local/bin/myscript
    • D、0 5 6 * * /usr/local/bin/myscript

    正确答案:C

  • 第9题：

    单选题
    Which of these commands allows you to use shared libraries that are in /usr/local/lib？（）
    A

     export LD_PRELOAD=/usr/local/lib

    B

     export LD_LIBRARY_PATH=/usr/local/lib

    C

     Idconfig /usr/local/lib

    D

     Idd/usr/local/lib


    正确答案： A
    解析： 暂无解析

  • 第10题：

    单选题
    Given the following scripts， what output would be generated（） usr/local/bin/scriptl    #!/usr/bin/ksh    VARl=red    export VARl=green    VARl=blue    /usr/local/bin/script2    ARl=yellow   /usr/local/bin/script2     #!/bin/ksh   echo "The sky is ${VAR1}."
    A

    The sky is red.

    B

    The sky is blue.

    C

    The sky is green.

    D

    The sky is yellow.


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    A system administrator wants to run a script called myscript， but does not want to see the errors that might be generated by the script. How would this be accomplished？（）
    A

    /usr/local/bin/myscript > /dev/null

    B

    /usr/local/bin/myscript < /dev/null

    C

    /usr/local/bin/myscript 2> /dev/null

    D

    /usr/local/bin/myscript 1> /dev/null


    正确答案： C
    解析： 暂无解析

  • 第12题：

    单选题
    A System p administrator suspects they are receiving an error from one of their nightly cron jobs. The  job is： 0 1 * * * /usr/local/bin/nightlycheck.pl Where should the administrator first look for errors reported by  this cron job（）
    A

    /var/log/syslog.out

    B

    var/log/cron.log

    C

    /var/spool/cron/logs

    D

    mail


    正确答案： C
    解析： 暂无解析

  • 第13题：

    Anadministratorperformsanauditonthe/usrfilesystemandfindsthefollowingpermissions：-rwsr-xr-x1rootsys514288Jun1809：40/usr/local/bin/nmonWhichofthefollowingmethodscantheadministratorusetoremoveapotentialsecurityrisk（）

    A.rm/usr/local/bin/nmon

    B.chmodu-s/usr/local/bin/nmon

    C.Reinstallthefilefromtheappropriatefileset

    D.chmodgo-rx/usr/local/bin/nmon


    参考答案：B

  • 第14题：

    Which of these commands allows you to use shared libraries that are in /usr/local/lib？（）

    • A、 export LD_PRELOAD=/usr/local/lib
    • B、 export LD_LIBRARY_PATH=/usr/local/lib
    • C、 Idconfig /usr/local/lib
    • D、 Idd/usr/local/lib

    正确答案:B

  • 第15题：

    A system administrator issued the errpt command and had no results. The system administrator determined that error logging was turned off. Which of the following commands should be used to start logging system errors？（）

    • A、/usr/bin/errmsg
    • B、/usr/lib/errdemon
    • C、/usr/lib/errlogger
    • D、/usr/bin/errinstall

    正确答案:B

  • 第16题：

    An AIX system administrator wants to be able to monitor disk usage and to be able to control how much disk space can be used.  Which command is run to obtain the desired output?（）

    • A、 /usr/bin/filemon 
    • B、 /usr/bin/startsrc 
    • C、 /usr/sbin/acct/startup 
    • D、 /usr/bin/df

    正确答案:A

  • 第17题：

    Given the following scripts， what output would be generated（） usr/local/bin/scriptl    #!/usr/bin/ksh    VARl=red    export VARl=green    VARl=blue    /usr/local/bin/script2    ARl=yellow   /usr/local/bin/script2     #!/bin/ksh   echo "The sky is ${VAR1}."

    • A、The sky is red.
    • B、The sky is blue.
    • C、The sky is green.
    • D、The sky is yellow.

    正确答案:C

  • 第18题：

    When run on a machine called client， which of the following commands will mount the /usr/local/bin directory from the host over the /home/bin directory on client？（）

    • A、mount host：/home/bin /usr/local/bin
    • B、mount client：/home/bin /usr/local/bin
    • C、mount -n host /usr/local/bin /home/bin
    • D、mount -o host：/usr/local/bin /home/bin

    正确答案:C

  • 第19题：

    An  administrator  performs  an  audit  on  the  /usr  filesystem  and  finds  the  following  permissions：  -rwsr-xr-x  1  root  sys  514288  Jun  18  09：40  /usr/local/bin/nmon  Which  of  the  following  methods  can  the  administrator use to remove a potential security risk（）

    • A、rm /usr/local/bin/nmon
    • B、chmod u-s /usr/local/bin/nmon
    • C、Reinstall the file from the appropriate fileset
    • D、chmod go-rx /usr/local/bin/nmon

    正确答案:B

  • 第20题：

    单选题
    A system administrator issued the errpt command and had no results. The system administrator determined that error logging was turned off. Which of the following commands should be used to start logging system errors？（）
    A

    /usr/bin/errmsg

    B

    /usr/lib/errdemon

    C

    /usr/lib/errlogger

    D

    /usr/bin/errinstall


    正确答案： C
    解析： 暂无解析

  • 第21题：

    单选题
    A system administrator has just finished upgrading a system to AIX 5.2. If there are future problems， the system administrator would like to add an entry to the AIX errorlog to record this event. Which of the following commands can be issued for this purpose？（）
    A

    /usr/bin/errmsg System upgraded to AIX 5.2

    B

    /usr/bin/errlog System upgraded to AIX 5.2

    C

    /usr/bin/errupdate System upgraded to AIX 5.2

    D

    /usr/bin/errlogger System upgraded to AIX 5.2


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday（）
    A

    5 0 * * 6 /usr/local/bin/myscript

    B

    6 * * 5 0 /usr/local/bin/myscript

    C

    0 5 * * 6 /usr/local/bin/myscript

    D

    0 5 6 * * /usr/local/bin/myscript


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    An AIX system administrator wants to be able to monitor disk usage and to be able to control how much disk space can be used.  Which command is run to obtain the desired output?（）
    A

     /usr/bin/filemon 

    B

     /usr/bin/startsrc 

    C

     /usr/sbin/acct/startup 

    D

     /usr/bin/df


    正确答案： C
    解析： 暂无解析

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