单项选择题

A system administrator wants to give full read/write/excute access to the owner and group of the /stuff directory and all subdirectories and files， but only allow read/execute for others. What command would the administrator use？（）

A.chmod -R 775 /stuff
B.chmod -h 002 /stuff
C.chmod -R 577 /stuff
D.chmod ug+rwx，o+rx /stuff

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热门试题

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