Lunix FlashCards CH 8
daemon
A Linux system process that provides a system service.
service unit
A Systemd term that is used to describe a daemon.
service units
A Systemd term that is used to describe a daemon.
target unit
A Systemd term that is used to describe the number and type of daemons running on a Linux system. It is functionally equivalent to the UNIX SysV term runlevel.
target units
A Systemd term that is used to describe the number and type of daemons running on a Linux system. It is functionally equivalent to the UNIX SysV term runlevel.
init command
A UNIX SysV command used to change the operating system from one runlevel to another.
telinit command
A UNIX SysV command used to change the operating system from one runlevel to another.
runlevel
A UNIX SysV term that defines a certain type and number of daemons on a Linux system.
UNIX SysV
A UNIX standard that is used to provide the structure of the system initialization process on Linux systems.
ELILO
A boot loader used with computers that support Intel Extensible Firmware Interface (EFI) technology.
update-rc.d command
A command that can be used to configure UNIX SysV daemon startup by runlevel on Ubuntu Linux systems.
chkconfig command
A command that can be used to configure UNIX SysV daemon startup by runlevel.
grubby command
A command that can be used to configure the LILO, GRUB and GRUB2 boot loaders.
restart command
A command that can be used to manually restart an upstart daemon.
start command
A command that can be used to manually start an upstart daemon.
systemctl command
A command that can be used to manually start, stop and restart Systemd daemons, as well as configure Systemd daemon startup during the system initialization process.
service command
A command that can be used to manually start, stop, and restart UNIX SysV daemons.
stop command
A command that can be used to manually stop an upstart daemon.
system-config-keyboard command
A command used on Fedora Linux systems to configure a keyboard for use by X Windows.
Linux Loader (LILO)
A common boot loader used on legacy Linux systems.
X.org
A common implementation of X Windows used in Linux distributions.
XFree86
A common implementation of X Windows used in Linux distributions.
multi boot
A configuration in which two or more operating systems exist on the hard disk of a computer; the boot loader allows the user to choose which operating system to load at boot time.
multi booting
A configuration in which two or more operating systems exist on the hard disk of a computer; the boot loader allows the user to choose which operating system to load at boot time.
GTK+ toolkit
A development toolkit for C programming; it is used in the GNOME desktop and the GNU Image Manipulation Program (GIMP).
KDE Display Manager (kdm)
A graphical login screen for users that resembles the KDE desktop.
X Display Manager (xdm)
A graphical login screen.
GNOME Display Manager (gdm)
A program that provides a graphical login screen.
xvidtune
A program used to fine-tune the vsync and hsync video card settings for use in X Windows.
boot loader
A program used to load an operating system.
upstart
A recent version of the UNIX SysV system initialization process used on modern Linux distributions.
Systemd
A relatively new software framework used on Linux systems that provides a system initialization process and system management functions.
Compiz Fusion
A window manager that is often used alongside the KDE and GNOME desktops to provide advanced graphical effects.
GRand Unified Bootloader version 2 (GRUB2)
An enhanced version of the GRUB boot loader. It is the most common boot loader used on modern Linux systems.
Power On Self Test (POST)
An initial series of tests run when a computer is powered on to ensure that hardware components are functional.
runtime configuration (rc) scripts
Scripts that are used during the system initialization process to start daemons and provide system functionality.
initstate
See runlevel.
initstates
See runlevel.
target
See target unit.
targets
See target unit.
window manager
The GUI component that is responsible for determining the appearance of the windows drawn on the screen by X Windows.
grub2-mkconfig command
The command used to build the GRUB2 configuration file from entries within the /etc/default/grub file and /etc/grub.d directory.
runlevel command
The command used to display the current and most recent (previous) runlevel.
grub-install command
The command used to install the GRUB boot loader.
grub2-install command
The command used to install the GRUB2 boot loader.
lilo command
The command used to reinstall the LILO boot loader based on the configuration information in /etc/lilo.conf.
X server
The component of X Windows that draws graphics to windows on the terminal screen.
X client
The component of X Windows that requests graphics to be drawn from the X server and displays them on the terminal screen.
X clients
The component of X Windows that requests graphics to be drawn from the X server and displays them on the terminal screen.
mutter window manager
The default window manager for the GNOME Desktop Environment in Fedora 13.
initialize (init) daemon
The first process started by the Linux kernel; it is responsible for starting and stopping other daemons.
GRUB root partition
The partition containing the second stage of the GRUB boot loader and the GRUB configuration file.
active partition
The partition searched for an operating system after the MBR/GPT.
system initialization process
The process that executes the daemons that provide for system services during boot time and bring the system to a useable state.
desktop environment
The software that works with a window manager to provide a standard GUI environment that uses standard programs and development tools.
Qt toolkit
The software toolkit used with the K Desktop Environment.
K Window Manager (kwin)
The window manager that works under the KDE Desktop Environment.
