The Unix operating system links the user to a protection domain. Some programmes run with the SUID bit set, which causes the user ID and, consequently, the access domain to change.
What is Unix operating system ?
- The original AT&T Unix, whose development began in 1969 at the Bell Labs research facility by Ken Thompson, Dennis Ritchie, and others, is the ancestor of the Unix family of multitasking, multiuser computer operating systems.
- Unix is very interactive and gives the user direct access to the computer's resources since it enables direct communication with the machine via a terminal. Users of Unix can also exchange files and applications with one another.
- The "Unix philosophy" is a modular design that distinguishes Unix systems from other operating systems. This way of thinking states that the operating system ought to offer a selection of straightforward tools, each of which serves a specific, constrained purpose.
- The primary means of communication are an uniform inode-based filesystem and an inter-process communication mechanism known as "pipes," and a shell scripting and command language is used to combine the tools to carry out sophisticated processes.
To learn more about Unix refer :
https://brainly.com/question/4837956
#SPJ4
