UOS Ch 1

Which of the following is not a feature of UNIX?

• a) multitasking

• b) multiuser

• c) portability

• d) easy to use

Which of the following is not a part of all the versions of UNIX?

• a) Kernel and Shell

• b) Commands and utilities

• c) Graphical user interface

• d) System Calls

Which of the following is not true about UNIX?

• a) Many people can use a UNIX based computer at the same time; hence UNIX is called as a multiuser system

• b) A user can run multiple programs at the same time; hence UNIX is called a multitasking environment

• c) UNIX was not written in ‘C’ language

• d) Linux is also known as a version of UNIX

Which part of the UNIX operating system interacts with the hardware?

• a) Kernel

• b) Shell

• c) vi editor

• d) application program

The minimum number of links for any directory file?

• A. 5

• B. 6

• C. 7

• D. 2

The following part of the UNIX operating system interacts with its hardware?

• A. Vi editor

• B. shell

• C. kernel

• D. none of these

The files of any block in the UNIX file system is?

• A. 2048

• B.512

• C.1024

• D. any of the above

Each entry in the inode table is the size of?

• A. 32kb

• B. 64 Gb

• C. 64kb

• D. 64 bytes

Which directory file system in UNIX is used?

• A. tree directory

• B. diamond directory

• C. hierarchical directory

• D. graph-structured directory

Buffer cache is kept in between _____

• a.File system and char devices

• b.File system and device drivers

• c.File system and hardware control

• d.File system and block devices