Linux System Administration Review Questions with complete Solutions Rated A+
Linux - Answers Kernel, central controller.
Kernel - Answers Dedicates which application gets what resources (cpu, memory)
UNIX - Answers AT&T Bell Labs in 1970's developed. Opened by Open Group.
Forked - Answers Modified to be used for other systems and services.
Multitasking - Answers Several tasks at once
Pre-emptive - Answers Kernel is deciding when to switch focus between tasks.
Boot loader - Answers Loads kernel and starts it.
API - Answers Application programming interface, something apps follow in the kernel.
Process - Answers Is just one tasked loaded and tracked by the kernel.
Application - Answers Applications maybe run multiple processes and make requests from the Kernel to
use resources.
Linus Torvalds - Answers 1991 Hobby project.
Source code - Answers Human readable set of instruction.
Close-source - Answers You can use it but not see the source code.
Open source - Answers Obtain it and modify it for your own use.
GNU - Answers GNU's, not UNIX
Red Hat - Answers Started as Red Hat Package Manager
Release cycle - Answers How often software is upgraded.
Fedora project - Answers Personal desktop with latest software built on enterprise versions.
CentOS - Answers Recompiled RHEL packages for free.
Scientific Linux - Answers Particle Accelerator software like LHC at CERN
Open SUSE - Answers Derived from Slackware and uses aspects of Red Hat.
Debian - Answers Community effort, promotes open source software, large platform support (Intel,
AMD)
Ubuntu - Answers Debian derived, most popular distribution.
, Linux Mint - Answers Fork of Ubuntu Linux. Coming close to Ubuntu in popularity for a desktop Linux
solution.
Maintenance Cycles - Answers How often maintenance is put out.
Apache HTTPD - Answers Dominant web server used today.
BSD - Answers May redistribute source and binaries as long as you maintain copyright notices and don't
imply original creator endorses your version.
C - Answers Compiled language close to machine code, efficient.
Creative Commons Licenses - Answers Copyright licenses.
CC BY - Answers Attribution, use for any use but must credit copyright holder.
CC BY-SA - Answers Attribution ShareALike, copyleft version of Attribution, derived works must be
shared under the same license.
CC BY-ND - Answers Attribution No-Derivs, you may redistribute content under same conditions as CC-
BY, but may not change it.
CC BY-NC - Answers Like CC BY, but may not use for commercial purposes.
CC-BY-NC-SA - Answers Builds on CC BY-NC license and require changes to be shared under same
license.
CC0 - Answers No Rights Reserved. Creative Commons version of public domain.
FLOSS - Answers Free/Libre/Open Source Software
FOSS - Answers Free/Open Source Software.
Free Software - Answers Freedom to share, study and modify code.
Open Source Software - Answers Conforming to Open Source licence.
shell - Answers You interact with a Linux system through a shell no matter what. It accepts commands
such as file manipu. and starting applications and passes it to the Linux kernel for execution.
FSF - Answers Free Software Foundation, founded in 1985 by Richard Stallman.
OSI - Answers Open Source Initiative
DRM - Answers Digital Rights Management
GPL - Answers GPLv2, GPLv3, LGPLv2, LGPLv3
bash - Answers Most commonly used shell for Linux distros.
Linux - Answers Kernel, central controller.
Kernel - Answers Dedicates which application gets what resources (cpu, memory)
UNIX - Answers AT&T Bell Labs in 1970's developed. Opened by Open Group.
Forked - Answers Modified to be used for other systems and services.
Multitasking - Answers Several tasks at once
Pre-emptive - Answers Kernel is deciding when to switch focus between tasks.
Boot loader - Answers Loads kernel and starts it.
API - Answers Application programming interface, something apps follow in the kernel.
Process - Answers Is just one tasked loaded and tracked by the kernel.
Application - Answers Applications maybe run multiple processes and make requests from the Kernel to
use resources.
Linus Torvalds - Answers 1991 Hobby project.
Source code - Answers Human readable set of instruction.
Close-source - Answers You can use it but not see the source code.
Open source - Answers Obtain it and modify it for your own use.
GNU - Answers GNU's, not UNIX
Red Hat - Answers Started as Red Hat Package Manager
Release cycle - Answers How often software is upgraded.
Fedora project - Answers Personal desktop with latest software built on enterprise versions.
CentOS - Answers Recompiled RHEL packages for free.
Scientific Linux - Answers Particle Accelerator software like LHC at CERN
Open SUSE - Answers Derived from Slackware and uses aspects of Red Hat.
Debian - Answers Community effort, promotes open source software, large platform support (Intel,
AMD)
Ubuntu - Answers Debian derived, most popular distribution.
, Linux Mint - Answers Fork of Ubuntu Linux. Coming close to Ubuntu in popularity for a desktop Linux
solution.
Maintenance Cycles - Answers How often maintenance is put out.
Apache HTTPD - Answers Dominant web server used today.
BSD - Answers May redistribute source and binaries as long as you maintain copyright notices and don't
imply original creator endorses your version.
C - Answers Compiled language close to machine code, efficient.
Creative Commons Licenses - Answers Copyright licenses.
CC BY - Answers Attribution, use for any use but must credit copyright holder.
CC BY-SA - Answers Attribution ShareALike, copyleft version of Attribution, derived works must be
shared under the same license.
CC BY-ND - Answers Attribution No-Derivs, you may redistribute content under same conditions as CC-
BY, but may not change it.
CC BY-NC - Answers Like CC BY, but may not use for commercial purposes.
CC-BY-NC-SA - Answers Builds on CC BY-NC license and require changes to be shared under same
license.
CC0 - Answers No Rights Reserved. Creative Commons version of public domain.
FLOSS - Answers Free/Libre/Open Source Software
FOSS - Answers Free/Open Source Software.
Free Software - Answers Freedom to share, study and modify code.
Open Source Software - Answers Conforming to Open Source licence.
shell - Answers You interact with a Linux system through a shell no matter what. It accepts commands
such as file manipu. and starting applications and passes it to the Linux kernel for execution.
FSF - Answers Free Software Foundation, founded in 1985 by Richard Stallman.
OSI - Answers Open Source Initiative
DRM - Answers Digital Rights Management
GPL - Answers GPLv2, GPLv3, LGPLv2, LGPLv3
bash - Answers Most commonly used shell for Linux distros.
