COPA Trade – SEMESTER 1, Module 5: DOS & LINUX Operating Systems
Common For Computer Related  & COPA Trade 1st Year.
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NAME *
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NAME OF THE ITI *
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MOBILE NUMBER *
1. What is the name of hierarchical file system in DOS? *
4 points
2. Which DOS command is used to delete a directory? *
4 points
3. Which character is used to represent parent directory in Linux? *
4 points
4. Which character is used to redirect output into an existing file in Linux? *
4 points
5. Which command is used to specify the location of files or folders in MSDOS? *
4 points
6. How the directories under the root directory are called? *
4 points
7. Which filename will matches the command.DIR????T.TxT in DOS? *
4 points
8. What is the used of CD command in DOS? *
4 points
9. What is the maximum number of character allowed as file name in DOS? *
4 points
10. Which one of the following is the wildcard character? *
4 points
11. Which DOS command is used to create a text file? *
4 points
12. Which one of the following is the directory separator in Linux? *
4 points
13. Which character is used to represent a range of values in Linux? *
4 points
14. Which character redirects the output of one command to another in Linux? *
4 points
15. Which Linux command list the content of all sub directory? *
4 points
16. Which Linux command list the contents of parent directory? *
4 points
17. What is use of ‘who’ command in Linux? *
4 points
18. Which command is used to hide the file? *
4 points
19. Which command is used to release the read only permission? *
4 points
20. Write the Linux command to remove all the permission to the user and group on the directory ‘software’? *
4 points
21. Which DOS command is used to display system time? *
4 points
22. What in the result of the DOS command PROMPT $D$G? *
4 points
23. Which DOS command is used to list all com files in D drive? *
4 points
24. Which Linux command is used to sort the text file ‘network’ in descending order? *
4 points
25. Which Linux command to set the permission‘x’ to user, ‘rw’ to others and ‘rwx’ to group for the file launcher? *
4 points
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