单项选择题

User2 is complaining that he is unable to list the cont……

User2 is complaining that he is unable to list the contents of a directory. What is the most likely cause?（）

A. User2 needs write permission to the directory.
B. User2 needs both read and write permissions to the directory.
C. User2 needs both read and execute permissions to the directory.
D. User2 needs both write and execute permissions to the directory.

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单项选择题After making changes to the profile for an LPAR, the administrator asks the operator to bring the LPAR back up into a running state with the new changes. Which of the following is the correct way to do this?（）

A. Shutdown and activate the partition profile
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C. Reboot the partition using the 'shutdown -r' command
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A. tctl reset
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C. At least one process is running in the background and it will keep running after the operator logs off
D. At least one process is running in the background using nohup and it will terminate when the operator logs off

单项选择题An application owner wants to grant write permission to all users for all the files and directories in the application directory. Which of the following is the correct command?（）

A. chmod -R u+rw /application
B. chmod -r u+rw /application
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D. chmod -r o+rw /application