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COPA Set-1
DOS and LINUX Operating Systems
16

DOS and LINUX Operating Systems MCQ with Answers

16) Which Linux command list the contents of parent directory?

"ls ~"

"ls */"

"ls /"

"ls .. /"

Answer is:

"ls .. /"

DOS and LINUX Operating Systems MCQ with Answers

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Related DOS and LINUX Operating Systems MCQ with Answers

17) What is use of ?who? command in Linux?

login user

logout user

login password

logout password

Answer is:

login user

18) Which command is used to hide the file?

attrib -h filename

attrib +h filename

attrib /h filename

attrib \h filename

Answer is:

attrib +h filename

19) Which command is used to release the read only permission?

attrib -r filename

attrib +r filename

attrib /r filename

attrib \r filename

Answer is:

attrib -r filename

20) Write the Linux command to remove all the permission to the user and group on the directory 'software'?

chmod ug - rwx software

chmod ug - a software

chmod ug - A software

chmod ug - Rwx software

Answer is:

chmod ug - rwx software

DOS and LINUX Operating Systems MCQ with Answers

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