Linux Operations and Administration

demand paging
A feature that makes it possible to load only needed section of a program into RAM
device file
A file in the /dev directory that represents a hardware device
directory file
A file that can contain regular files and other directory files
preemptive multitasking
A method of multitasking in which the scheduler decides when a process stops and another process starts
A program kernel launches into memory for the purpose of performing specific task
The volatile storage space where a computer can read and write data
A command-line interface between users an the kernal
source code
A set of instructions defining how a program works.
configuration phase
An openSuSE installation phase in which the network, Internet access, and hardware components are conifigured
A virtual machine that uses the host’s physical hardware resources
ISO image
A virtual copy of a CD or DVD
LVM Logical Volume Management
A feature used to create virtual partitions that can span physical hard drives.
A configuration that allows you to install more than on OS on a computer
A special user account with full access to all system resources
The operating state of the Linux OS
Secure Shell SSH
A remote login program designed to provide a secure encrypted conecection to a host on the newtork
command completion
A BASH shell feature that finishes a command for you after you enter the first few characters
command-line argument
Information entered after a command to include specific instructions
command-line prompt
An interface that enables users to interact with the OS by typing commands, options, and arguments
file system
The way files and directories are stored and organized
hard links
Files that point to data on the hard disk and share the same inode
home directory
a users default directory
A data structure that stores information about a file
man pages
Documentation files that describe Linux partition
Information entered after a command to modify the way its carried out
relative path
The directory pathname starting from the current directory
shareable file
A file that can be stored on one machine and used by multiple users
static files
Files that don’t change on their own
symbolic links
Special types of files that point to other files
unshareable file
A file tha can be used only on the local machine
variable file
Files that can change on their own
An area of RAM used for temporary storage
command mode
A vim mode in which key combinations instead of text are used to enter commands
extended mode
A vim mode in which advanced commands, such as saving files and searching and replacing, are available
insert mode
A vim mode in which text that’s typed is displayed onscreen.
shell script
The core of an operating system; performs the most basic computing functions.
A feature that allows running multiple process at the same time.
A feature that enables users to log on to a computer at the same time.
Open Source
A licensing agreement term describing software that’s distributed free with its source code so that users can view or modify it.
Operating System
Software designed to control computer hardware so that users and application can make use of it.
Domain Name
The name of the network a host belongs to
A networking protocol used to assign IP addresses and other network configuration information to hosts automatically.
GNOME applets
Small programs available on the GNOME panel for providing quick access to useful application.
The physical computer where a virtual machine is installed.
A computers machine name in the network
installation phase
An openSuSE noninteractive installation phase in which software is installed with the settings configured during the preparation phase.
preparation phase
An openSuSE installation phase in which users can configure settings for language, time zone, desktop enviroment , hard disk setup, and user account and password.
server farm
A group of servers networked together in a single location
Virtual Machine
A software container with its own OS,IP address, and applications.
An area of the desktop that can contain different windows and processes.
Absolute path
The full directory pathname starting from the root (/)
current directory
The directory a user is working in.
Filesystem Hierarchy Standard (FHS)
A standard specifying requirements and guidelines for file and directory placement in UNIX-like operating systems.
inode number
A data structure that stores information about a file, such as the same inode number,file permissions, file owner, and so on; in the files actual data and anme aren’t stored in the inode
A character used in searches to specify certain conditions.
A feature in KWrite for placing markers on lines of text to help navigate.
syntax highlighting
A text editor feature for displaying text in different colors and form for programming languages.
Text editor
A program that enables users to create or edit plain text files.
A piece of information added as documentation to scripts to explain their purpose.
Compiled Program
A program that converts source code to machine code and stores it in a binary file before the user runs script. Also Machine code
direct assignment
A method used to assign the value to a variable by entering it explicitly in the command
Enviroment variable
A placeholder for data that can change; typically gets its value automatically at OS startup or from the shell the user is using.
A LINUX file permission that allows users to run (scripts or programs) or work in a directory.
Exit Status Code
A numeric code indicating success or failure that a program or command sends to the shell when it ends.
A category of file permissions given to the group of users assigned to a file.
Interpreted Program
A program that converts source code to machine code and it’s running.
Log Files
Text files that gather information about a system continuously.
Performing a set of commands repeatedly
Machine Code
A language consisting of binary 1s and 0s that a computer’s CPU understands
A category of file permissions given to all users on a Linus system, as long as they aren’t the file owner or don’t belong to the group assigned to the file.
Positional Parameter
A method used to assign a value to a variable according to the order of arguments in the command.
Programming Language
A set of rules fro instructing a computer how to perform a task.
Prompt Method
A method used to assign a value to a variable, in which the user is asked to enter data.
A Linux file permission that allows users to view the contents of files or directories.
Shell Variable
A placeholder for data that can change; typically gets its value from the user or shell script.
A category of file permission given to the owner of a file.
A Linux file permission that allows users to edit the contents of files or add files to a directory.

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