Which option is used with du command for finding only the summary of disk usage by a specific directory?(a) -e(b) -f(c) -e(d) -sI got this question by my school principal while I was bunking the class.This intriguing question comes from Administrator Specific Commands and Privileges topic in portion Essential Shell Programming of Unix

Which option is used with du command for finding only the summary of d

1.	Which option is used with du command for finding only the summary of disk usage by a specific directory?(a) -e(b) -f(c) -e(d) -sI got this question by my school principal while I was bunking the class.This intriguing question comes from Administrator Specific Commands and Privileges topic in portion Essential Shell Programming of Unix
Answer» The CORRECT ANSWER is (d) -s To elaborate: If we use the du command, then by default it displays the usage of each subdirectory of its ARGUMENT along with a summary at the end. If we WANT to display the only summary then we can use -s option with du command. For example,

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