网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)

以下任务计划的含义是什么?() SHELL=/bin/bash PATH=/sbin:/bin:/usr/sbin:/usr/bin MAILTO=root 10 4 1,10,22 * * root /root/backup.sh

A.在每月1、10、22日的4:10执行/root/backup.sh文件

B.在10月4号的1、10、22点执行/root/backup.sh文件

C.在10年的4月1号,10点-22点执行/root/backup.sh文件

D.22点分别执行/root/backup.sh文件


参考答案和解析
在每月1、10、22日的4:10执行/root/backup.sh文件
更多 “以下任务计划的含义是什么?() SHELL=/bin/bash PATH=/sbin:/bin:/usr/sbin:/usr/bin MAILTO=root 10 4 1,10,22 * * root /root/backup.shA.在每月1、10、22日的4:10执行/root/backup.sh文件B.在10月4号的1、10、22点执行/root/backup.sh文件C.在10年的4月1号,10点-22点执行/root/backup.sh文件D.22点分别执行/root/backup.sh文件” 相关考题
考题 下列信息是某系统用ps–ef命令列出的正在运行的进程,()进程是运行Internet超级服务器,它负责监听Internet sockets上的连接,并调用合适的服务器来处理接收的信息。A.root 1 4.00.0344204? S 17:090:00initB.root 2 0.00.129161520? S 17:090:00/sbin/gettyC.root 3 0.00.21364632? S 17:090:00/usr/sbin/syslogdD.root 4 0.013441204? S 17:090:10/usr/sbin/inetd

考题 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

考题 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

考题 WhichactionchangesthedefaulteditorforALLusersonthesystemfromvitoeditofthefollowing?() A.Issuethecommand:exportEDITOR=/usr/bin/editB.Modify/.profileandchangetheEDITORvariableto/usr/bin/editC.Modify/etc/environmentandaddEDITOR=/usr/bin/editexportEDITORD.Modify/etc/security/defaultsandchangetheEDITORvalueto/usr/bin/edit

考题 InwhichdirectoryarethebasicLinuxcommandssuchasgzip,gunzipandzcatinstalled?() A./opt/freeware/binB./usr/bin/freewareC./var/freeware/binD./usr/sbin/freeware

考题 Anadministratorneedstoaddthe/usr/vac/bindirectorytotheirPATHenvironmentvariableforthecurrentsession.Whichofthefollowingwillaccomplishthistask() A.path=$path:/usr/vac/bin;exportpathB.path.=/usr/vac/bin;export$pathC.Modifythe pathenvironmentvariablein/etc/profileD.Modifythepathenvironmentvariablein/.profile

考题 AnAIXsystemadministratorwantstobeabletomonitordiskusageandtobeabletocontrolhow muchdiskspacecanbeused.Whichcommandisruntoobtainthedesiredoutput?() A./usr/bin/filemonB./usr/bin/startsrcC./usr/sbin/acct/startupD./usr/bin/df

考题 Which command will change the user webserver’s shell toksh93?() A.chshell -ksh93 webserverB.chsh webserver /usr/bin/ksh93C.chuser -a shell=/usr/bin/ksh93 webserverD.setuid -a SHELL=/usr/bin/ksh93 -u webserver

考题 Howarehardwareerrorsremovedfromanerrorreportthataremorethan30daysold?() A./usr/bin/errpt-dH30B./usr/sbin/errclear-JH30C./usr/bin/errclear-dH30D./usr/sbin/errclear-jH30

考题 WhichactionchangethedefaulteditorforALLusersonthesystemfromvitoedit() A.Issuethecommand:exportEDITOR=/usr/bin/editediteachuser.profiletochangetheEDITORvalueto/usr/bin/editB.Modify/.profileandchangetheEDITORvariableto/usr/bin/editC.Modify/etc/environmentandaddEDITOR=/usr/bin/editexportEDITORD.Modify/etc/security/defaultsandchangetheEDITORvalueto/usr/bin/edit

考题 WhichisasupportedmethodtoupgradefirmwareonanIBMPowerSystems570?() A.Usethe/usr/sbin/invscoutAIXcommand.B.Usethe’Updates’panelonthemanagingHMcC.Bootthe570usinganIBM-providedmicrocodeCdD.Usethe/usr/lpp/diagnostics/bin/update_flashAIXcommand.

考题 客户端查询NFS服务器分享资源的指令是什么?()A、/usr/sbin/showmountB、/bin/mkdirC、/usr/sbin/showD、/bin/ls

考题 Which command is used to initialize and configure a NIM master?()A、/usr/sbin/nim_initB、/usr/bin/installnimC、/usr/sbin/nimconfigD、/usr/sbin/setup_server

考题 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

考题 Which command will change the user webserver’s shell toksh93?()A、chshell -ksh93 webserverB、chsh webserver /usr/bin/ksh93C、chuser -a shell=/usr/bin/ksh93 webserverD、setuid -a SHELL=/usr/bin/ksh93 -u webserver

考题 In which directory are the basic Linux commands such as gzip, gunzip and zcat installed?()A、/opt/freeware/binB、/usr/bin/freewareC、/var/freeware/binD、/usr/sbin/freeware

考题 An operator is asked to verify the exact location of the default JRE binary. The following commands were run: $ which java /usr/bin/java $ ls -l /usr/bin/java lrwxrwxrwx 1 root other 23 Jan 27 2006 /usr/bin/java - ../jre1.5.0_06/bin/java Based on the command outputs above, what is the path to the java executable file?()A、/usr/bin/javaB、/usr/jre1.5.0_06/bin/javaC、/usr/bin/jre1.5.0_06/bin/javaD、/usr/bin/java/jre1.5.0_06/bin/java

考题 To perform SNMP Monitoring of cluster, what daemon must be running?()  A、 /usr/sbin/rsct/bin/hagsdB、 /usr/sbin/rsct/bin/clinfoC、 /usr/sbin/rsct/bin/clsmuxpdD、 /usr/sbin/rsct/bin/clssnmpstatd

考题 How are hardware errors removed from an error report that are more than 30 days old?()A、 /usr/bin/errpt -d H 30B、 /usr/sbin/errclear - J H 30C、 /usr/bin/errclear -d H 30D、 /usr/sbin/errclear -j H 30

考题 单选题An administrator needs to add the /usr/vac/bin directory to their PATH environment variable for the current session.  Which of the following will accomplish this task()A path=$path:/usr/vac/bin; export pathB path.=/usr/vac/bin; export $pathC Modify the path environment variable in /etc/profileD Modify the path environment variable in /.profile

考题 单选题How are hardware errors removed from an error report that are more than 30 days old?()A  /usr/bin/errpt -d H 30B  /usr/sbin/errclear - J H 30C  /usr/bin/errclear -d H 30D  /usr/sbin/errclear -j H 30

考题 单选题To perform SNMP Monitoring of cluster, what daemon must be running?()A  /usr/sbin/rsct/bin/hagsdB  /usr/sbin/rsct/bin/clinfoC  /usr/sbin/rsct/bin/clsmuxpdD  /usr/sbin/rsct/bin/clssnmpstatd

考题 单选题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/nmonB chmod u-s /usr/local/bin/nmonC Reinstall the file from the appropriate filesetD chmod go-rx /usr/local/bin/nmon

考题 单选题Which command is used to initialize and configure a NIM master?()A /usr/sbin/nim_initB /usr/bin/installnimC /usr/sbin/nimconfigD /usr/sbin/setup_server

考题 单选题An operator is asked to verify the exact location of the default JRE binary. The following commands were run: $ which java /usr/bin/java $ ls -l /usr/bin/java lrwxrwxrwx 1 root other 23 Jan 27 2006 /usr/bin/java - ../jre1.5.0_06/bin/java Based on the command outputs above, what is the path to the java executable file?()A /usr/bin/javaB /usr/jre1.5.0_06/bin/javaC /usr/bin/jre1.5.0_06/bin/javaD /usr/bin/java/jre1.5.0_06/bin/java

考题 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

考题 单选题In which directory are the basic Linux commands such as gzip, gunzip and zcat installed?()A /opt/freeware/binB /usr/bin/freewareC /var/freeware/binD /usr/sbin/freeware

考题 单选题客户端查询NFS服务器分享资源的指令是什么?()A /usr/sbin/showmountB /bin/mkdirC /usr/sbin/showD /bin/ls