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Operating System Architecture MCQs: 644 Questions & Answers in Engineering

644 Operating System Architecture MCQs in Engineering with answers & explanations. Page 21. Practice objective questions for competitive exams, interviews &… Use the answer toggle below to show or hide all solutions, tap an option to check one question, or open a question for its own page.

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Operating System Architecture MCQs: 644 Questions & Answers in Engineering

f a file is removed in Unix using ‘rm’ then

Executing the ‘cd ..’ command when at the root level causes

How do you rename file “new” to file “old”?

What command is used to copy files and directories?

When mv f1 f2 is executed which file’s inode is freed?

Any file’s attribute information is stored in which structure on the disk

The file permission 764 means

The permission -rwxr–r– represented in octal expression will be

Effective user id can be set using following permission

Effective group id can be set using following permission

Sticky bit can be set using following permission

The permission -rwSr–r– represented in octal expression will be

The permission -rwxr-sr– represented in octal expression will be

f user tries to remove (rm) a readonly file (444 permission), what will happen?

If the umask value is 0002. what will be the permissions of new directory

A user does a chmod operation on a file. Which of the following is true?

The permission -rwxr-xr-t represented in octal expression will be

What is the command to set the execute permissions to all the files and subdirectories within the directory /home/user1/direct

With a umask value of 112, what is the default permission assigned to newly created regular file?

Which command is used to assign read- write permission to the owner?

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