Classic UNIX System

Question 1

The classic UNIX system was developed at Bell Labs which was partly written in assembly language and was later converted into C language. It was initially called Uniplexed Information and Computing Services (UNICS) [T/F]

Answer 1

True

Question 2

The architecture of a classic UNIX has three (3) levels:

Answer 2

1. User level
2. Hardware level
3. System kernel

Question 3

focuses on the linked programs and libraries

Answer 3

User level

Question 4

focuses on the physical hardware and interface

Answer 4

Hardware level

Question 5

focuses on the overall operation of the system

Answer 5

System kernel

Question 6

This supports system calls from applications, other interface software, and the components of the C compiler, such as the compiler itself, the assembler, and the loader

Answer 6

Shell