7.24--Comprehensive software: answer questions daily to expand your knowledge
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7.24--The comprehensive software allows users to answer questions on a daily basis to gain knowledge; those who answer correctly earn 10 units of wealth, while those who get it wrong earn 3 units of wealth. In the multiple-choice question below, which statement is correct? ( ) A. ln -s a.txt b.txt creates a symbolic link to file b.txt, with the name a.txt. B. The df command can be used to view the amount of disk space occupied by the current directory. C. The comm command prints the content that is common to two text files. D. The rm command can be used to delete directories. D
D. The rm command can be used to delete directories
D. The rm command can be used to delete directories
The correct statement is (B). A. ln -s a.txt b.txt creates a symbolic link to file b.txt with the name a.txt. B. The df command can be used to view the amount of disk space occupied by the current directory. C. The comm command prints the content that is common to two text files. D. The rm command can be used to delete directories