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单选题Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday（）A 5 0 * * 6 /usr/local/bin/myscriptB 6 * * 5 0 /usr/local/bin/myscriptC 0 5 * * 6 /usr/local/bin/myscriptD 0 5 6 * * /usr/local/bin/myscript

题目
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

参考答案和解析
正确答案： D
解析： 暂无解析
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相似问题和答案

第1题：

Asystemadministratorwantstorunascriptcalledmyscript,butdoesnotwanttoseetheerrorsthatmightbegeneratedbythescript.Howwouldthisbeaccomplished?()

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

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

C./usr/local/bin/myscript2>/dev/null

D./usr/local/bin/myscript1>/dev/null


参考答案：C

第2题：

AnAIXsystemadministratorwantstobeabletomonitordiskusageandtobeabletocontrolhow muchdiskspacecanbeused.Whichcommandisruntoobtainthedesiredoutput?()

A./usr/bin/filemon

B./usr/bin/startsrc

C./usr/sbin/acct/startup

D./usr/bin/df


参考答案：A

第3题：

Whenrunonamachinecalledclient,whichofthefollowingcommandswillmountthe／usr／local／bindirectoryfromthehostoverthe／home／bindirectoryonclient?()

A.mounthost：/home/bin/usr/local/bin

B.mountclient：/home/bin/usr/local/bin

C.mount-nhost/usr/local/bin/home/bin

D.mount-ohost：/usr/local/bin/home/bin


参考答案：C

第4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5题：

ASystempadministratorsuspectstheyarereceivinganerrorfromoneoftheirnightlycronjobs.Thejobis:01***／usr／local／bin／nightlycheck.plWhereshouldtheadministratorfirstlookforerrorsreportedbythiscronjob()

A./var/log/syslog.out

B.var/log/cron.log

C./var/spool/cron/logs

D.mail


参考答案：D

第6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7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8题：

Whichcronentrywillrun／usr／local／bin／myscriptat0500everySaturdayofthefollowing?()

A.05**6/usr/local/bin/myscript

B.056**/usr/local/bin/myscript

C.6**50/usr/local/bin/myscript

D.50Sat**/usr/local/bin/myscript


参考答案：A

第9题：

WhichactionchangethedefaulteditorforALLusersonthesystemfromvitoedit()

A.Issuethecommand：exportEDITOR=/usr/bin/editediteachuser.profiletochangetheEDITORvalueto/usr/bin/edit

B.Modify/.profileandchangetheEDITORvariableto/usr/bin/edit

C.Modify/etc/environmentandaddEDITOR=/usr/bin/editexportEDITOR

D.Modify/etc/security/defaultsandchangetheEDITORvalueto/usr/bin/edit


参考答案：C

第10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/javalrwxrwxrwx 1 root other 23 Jan 27 2006 /usr/bin/java -> ../jre1.5.0_06/bin/javaBased on the command outputs above, what is the path to the java executable file?（）

A. /usr/bin/java

B. /usr/jre1.5.0_06/bin/java

C. /usr/bin/jre1.5.0_06/bin/java

D. /usr/bin/java/jre1.5.0_06/bin/java


参考答案：B

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