MODULE 1- Introduction to Linux Flashcards
What is Linux
Linux is a Kernel ,which is the core of an operating system acting as a bridge between the Hardware and Software applications
When people refer to ‘Linux’, what are they usually talking about?
They are usually referring to GNU/Linux, which is a Linux kernel combined with GNU software that makes it a full operating system
What is GNU?
GNU is free software providing open-source equivalents of many UNIX commands
When was UNIX developed?
UNIX was developed in the 1970s
What makes UNIX portable across different hardware?
UNIX is written in C language making it adaptable to different hardware architectures.
Who created Linux and why?
Linus Torvald created Linux with frustration over MINIX’s licensing restrictions and wanted a free operating system.
When was Linux created?
Linus Torvald created Linux in 1991
What was Linux original name?
Linux was originally named ‘Freax’ but changed by an administrator to Linux.
What is the name of the UNIX like operating system designed for educational use?
MINIX was the UNIX like operating system designed for educational use.
Who owns the UNIX trademark?
The Open Source Group owns the UNIX trademark
Why did Linux gain rapid popularity?
Linux gained rapid popularity due to it being Open-source, highly modular , and attracted developers worldwide who contributed to its growth.
Who founded the GNU project and when?
Richard Stallman founded the GNU project in 1983 to create a free UNIX like Operating System
What does it mean when software is “Forked”?
Software forking means modifying the software ,creating a separate version based on the Original.
What is the purpose of an Operating system?
An operating system manages hardware resources while providing user interfaces for interacting with the computer.
Why is Linux the dominant operating system for Servers, Cloud computing and embedded systems? (4 reasons)
Linux is the dominant operating system for Servers, cloud computing and embedded systems because of its scalability, reliability, security and it being open source.
What does a closed-source license typically restrict?
A closed source license allows the use of machine code but prohibits access to source code and reverse engineering.
What is open-source software?
Open source software is software where the source code is available to view, modify and distribute.
What is source code?
Source code is the human readable instructions that define how software operates.
What is machine code?
The binary code executed by a computer derived from source code.
What is a Linux distribution?
A Linux distribution is a complete usable Operating system that includes a Linux Kernel, GNU tools, and various applications.
What role do package managers play in Linux Distros?
Package managers help install, update and remove software after the system is set up.
What is included in a Linux distribution besides the Linux kernel? (4 items)
Besides the Linux kernel , a distributions contains GNU tools, user facing applications, system management tools and a package manager.
What are the three Linux distribution families?
Red hat, Debian and Slackware.
How do Red hat and Debian based Linux distributions primarily differ?
Red hat and Debian based Linux distributions have different package managers, variations in file locations and other philosophies.
