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}."AThe sky is red.BThe sky is blue.CThe sky is green.DThe sky is yellow.
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 ${VAR1}."
A
The sky is red.
B
The sky is blue.
C
The sky is green.
D
The sky is yellow.
参考解析
解析：
暂无解析
相关考题：
Whenrunonamachinecalledclient,whichofthefollowingcommandswillmountthe／usr／local／bindirectoryfromthehostoverthe／home／bindirectoryonclient?() A.mounthost：/home/bin/usr/local/binB.mountclient：/home/bin/usr/local/binC.mount-nhost/usr/local/bin/home/binD.mount-ohost：/usr/local/bin/home/bin
Whichcronentrywillrun／usr／local／bin／myscriptat0500everySaturdayofthefollowing?() A.05**6/usr/local/bin/myscriptB.056**/usr/local/bin/myscriptC.6**50/usr/local/bin/myscriptD.50Sat**/usr/local/bin/myscript
Asystemadministratorwantstorunascriptcalledmyscript,butdoesnotwanttoseetheerrorsthatmightbegeneratedbythescript.Howwouldthisbeaccomplished?() A./usr/local/bin/myscript/dev/nullB./usr/local/bin/myscript/dev/nullC./usr/local/bin/myscript2/dev/nullD./usr/local/bin/myscript1/dev/null
Giventhefollowingscripts,bothfoundin／usr／local／bin,whatwouldtheoutputbewhenexecuting／usr／local／bin／script1?() A.dogcatB.dogfishC.mousecatD.mousefish
Which command will change the user webserver’s shell toksh93?() A.chshell -ksh93 webserverB.chsh webserver /usr/bin/ksh93C.chuser -a shell=/usr/bin/ksh93 webserverD.setuid -a SHELL=/usr/bin/ksh93 -u webserver
Anadministratorperformsanauditonthe/usrfilesystemandfindsthefollowingpermissions：-rwsr-xr-x1rootsys514288Jun1809：40/usr/local/bin/nmonWhichofthefollowingmethodscantheadministratorusetoremoveapotentialsecurityrisk（）A.rm/usr/local/bin/nmonB.chmodu-s/usr/local/bin/nmonC.ReinstallthefilefromtheappropriatefilesetD.chmodgo-rx/usr/local/bin/nmon
Giventhefollowingscripts，whatoutputwouldbegenerated（）usr/local/bin/scriptl!/usr/bin/kshVARl=redexportVARl=greenVARl=blue/usr/local/bin/script2ARl=yellow/usr/local/bin/script2!/bin/kshechoTheskyis${VAR1}.A.Theskyisred.B.Theskyisblue.C.Theskyisgreen.D.Theskyisyellow.
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/spoolB、lcd /var/spoolC、cd /usr/bin /var/spoolD、lcd /usr/bin /var/spool
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/bin/myscript 2 /dev/nullD、/usr/local/bin/myscript 1 /dev/null
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
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
Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday of the following？（）A、0 5 * * 6 /usr/local/bin/myscriptB、0 5 6 * * /usr/local/bin/myscriptC、6 * * 5 0 /usr/local/bin/myscriptD、5 0 Sat * * /usr/local/bin/myscript
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.
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/binB、mount client：/home/bin /usr/local/binC、mount -o client：/usr/local/bin /home/binD、mount -n host：/home/bin /usr/local/bin
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/binB、mount client：/home/bin /usr/local/binC、mount -n host /usr/local/bin /home/binD、mount -o host：/usr/local/bin /home/bin
Which command will change the user webserver’s shell to ksh93？（）A、chshell -ksh93 webserverB、chsh webserver /usr/bin/ksh93C、chuser -a shell=/usr/bin/ksh93 webserverD、setuid -a SHELL=/usr/bin/ksh93 -u webserver
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
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
单选题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？（）Amount host：/usr/local/bin /home/binBmount client：/home/bin /usr/local/binCmount -o client：/usr/local/bin /home/binDmount -n host：/home/bin /usr/local/bin
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（）Arm /usr/local/bin/nmonBchmod u-s /usr/local/bin/nmonCReinstall the file from the appropriate filesetDchmod go-rx /usr/local/bin/nmon
单选题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？（）Amount host：/home/bin /usr/local/binBmount client：/home/bin /usr/local/binCmount -n host /usr/local/bin /home/binDmount -o host：/usr/local/bin /home/bin
单选题Which command will change the user webserver’s shell toksh93？（）Achshell -ksh93 webserverBchsh webserver /usr/bin/ksh93Cchuser -a shell=/usr/bin/ksh93 webserverDsetuid -a SHELL=/usr/bin/ksh93 -u webserver
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?（）Acd /var/spoolBlcd /var/spoolCcd /usr/bin /var/spoolDlcd /usr/bin /var/spool
单选题Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday（）A5 0 * * 6 /usr/local/bin/myscriptB6 * * 5 0 /usr/local/bin/myscriptC0 5 * * 6 /usr/local/bin/myscriptD0 5 6 * * /usr/local/bin/myscript
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/nullB/usr/local/bin/myscript /dev/nullC/usr/local/bin/myscript 2 /dev/nullD/usr/local/bin/myscript 1 /dev/null
单选题Which command will change the user webserver’s shell to ksh93？（）Achshell -ksh93 webserverBchsh webserver /usr/bin/ksh93Cchuser -a shell=/usr/bin/ksh93 webserverDsetuid -a SHELL=/usr/bin/ksh93 -u webserver
单选题Which cron entry will run /usr/local/bin/myscript at 0500 every Saturday of the following？（）A0 5 * * 6 /usr/local/bin/myscriptB0 5 6 * * /usr/local/bin/myscriptC6 * * 5 0 /usr/local/bin/myscriptD5 0 Sat * * /usr/local/bin/myscript