Question 1 (0.2 points)

[Question 1 Unsaved] Which of the following file name is NOT valid?

Question 1 options:

1+1=2 And/Or !@#$ "my report"

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Question 2 (0.2 points)

[Question 2 Unsaved] Which of the following file permission set representation is NOT valid?

Question 2 options:

400 100000000 r--r--r-- wxr------

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Question 3 (0.2 points)

[Question 3 Unsaved] Which of the following information is not in the Inode block?

Question 3 options:

File type File size File name Inode number

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Question 4 (0.2 points)

[Question 4 Unsaved] Which option of the ls command will not change the number of files in the result if used? For example, in your home directory.

Question 4 options:

-i -d -a -R

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Question 5 (0.2 points)

[Question 5 Unsaved] "/home/gzheng" is my personal directory, and my working directory is "/home/gzheng/Documents" now. Which of the following directory path expression is valid and points to my working directory?

Question 5 options:

~/../gzheng/Documents ~/Documents/.. /../~/Documents ../gzheng/Documents

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