单项选择题
While installing an application， the administrator is instructed to perform two final tasks prior to starting the application：
1.Set the ownership of a file named ’control_file’ to be owned by the user ’database’ and the group ’appsrvr’.
2.Change the permissions of ’control_file’ to 0766.
After these two tasks have been completed， what will the file permissions look like when ’ls -l control_file’ is executed？（）
A.-rwxrw-rw- 1 database appsrvr 4913 Mar 17 08：24 control_file
B.-rw-r--r-- 1 appsrvr database 4913 Mar 17 08：24 control_file
C.-rw-r--r-- 1 database appsrvr 4913 Mar 17 08：24 control_file
D.-rwxrw-rw- 1 appsrvr database 4913 Mar 17 08：24 control_file
相关考题
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单项选择题
Asystemadministratorwantstogivefullread/write/excuteaccesstotheownerandgroupofthe/stuffdirectoryandallsubdirectoriesandfiles，butonlyallowread/executeforothers.Whatcommandwouldtheadministratoruse？（）
A.chmod -R 775 /stuff
B.chmod -h 002 /stuff
C.chmod -R 577 /stuff
D.chmod ug+rwx，o+rx /stuff -
单项选择题
A user reports that they cannot cd to /tmp/application. A system administrator entered the following command： （1）ls -ld /tmp/application （2）drw-r--r-- 4 root system 512 Jan 15 14：09 application What is the most likely cause of the problem？（）
A.The /tmp/application should be globally writable.
B.The /tmp/application directory should be executable.
C.The /tmp/application directory should be owned by the user.
D.The /tmp/application directory should have the sticky bit set. -
单项选择题
Given the following script， why does the output come out as an empty line instead of "dog"？（）
A.The $VAR variable was not exported
B.The $VAR should have been set as VAR
C.dog needs double quotes around it when setting $VAR
D.The { } should not be around VAR in the echo command
