21. |
The command to count the number of files in the current directory by using pipes, is |
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22. |
Which of the following commands is used to get directory one level up? |
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23. |
Which of the following commands is used to count the total number of lines, words, and characters contained in a file. |
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24. |
Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories? |
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25. |
Which of the following commands is used to change the working directory? |
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