81. Which command is used to delete all the files in the root directory of drive a
82. Which command is used to display a list of deleted files that DOS can undelete?
83. Which command is used to undelete delete a bunch of files with extension doc that you have just deleted
84. Which file in MSDOS contain internal command that are loaded during booting process?
85. Which is the valid filename assign in MS-DOS?
86. Which is valid extension that user creates on operating system?
87. Which of the following file names are invalid in MSDOS?
88. Which of the following statements in regard to directories is false?
89. Which of the following statements is true in regard to diskcopy?
90. Which switch should be used in the DIR command to view files in all directories?
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