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Linux Ch 3 Terms

CIT222 Linux Ch 3 Terms - Installation and Usage

QuestionAnswer
Arguments The text that appears after a command name, does not start with a dash “-“ character, and specifies information the command requires to work properly.
Authentication The process whereby each user must log in with a valid user name and password before gaining access to the user interface of a system.
BASH shell The Bourne Again Shell; it is the default command-line interface in Linux.
Boot Loader A small program started by BIOS ROM, which executes the Linux kernel in memory.
Command A program that exists on the hard drive and is executed when typed on the command line.
Disk Druid An easy-to-use graphic program used to partition or modify the partitions on an HDD.
Dual Booting The process of installing more than one operating system on a computer. The user can then choose the operating system to load at system startup.
Ext2 A nonjournaling Linux filesystem.
Ext3 A journaling Linux filesystem.
Firstboot Wizard A configuration utility that is run at system startup immediately following a Red Hat Fedora Linux instillation.
Framebuffer An abstract representation of video hardware used by programs such that they do not need to communicate directly with the video hardware.
Grand Unified Bootloader (GRUB) A common boot loader used in Linux.
Info Pages A set of local, easy-to-read command syntax documentation available by typing the info command-line utility.
Journaling A filesystem function that keeps track of the information that needs to be written to the hard drive in a journal; common Linux journaling filesystems include ext3 and REISER.
Kernel Parameters The specific pieces of information that can be passed to the Linux kernel to alter how it works.
Large Block Addressing 32-Bit (LBA32) A parameter that can be specified that enables large block addressing in a boot loader; it is required only if a large hard disk that is not fully supported by the system BIOS is used.
Manual Pages The most common set of local command syntax documentation, available by typing the man command-line utility. Also known as man pages.
Metacharacters The key combinations that have special meaning in the Linux operating system.
Options The specific letters that start with a dash “-“ or two and appear after the command name to alter the way the command works.
Redundant Array of Inexpensive Disks (RAID) A type of storage that can be used to combine hard disks together for fault tolerance.
REISER A journaling filesystem used in Linux.
Shell A user interface that accepts input from the user and passes the input to the kernel for processing.
Swap Memory See also Virtual Memory.
Terminal The channel that allows a certain user to log in and communicate with the kernel via a user interface.
VFAT (Virtual File Allocation Table) A nonjournaling filesystem that might be used in Linux.
Virtual Memory An area on a hard disk (swap partition) that can be used to store information that normally resides in physical memory (RAM), if the physical memory is being used excessively.
Created by: Leisac