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Linux + Chapter 8
System Initialization and X Windows
| Question | Answer |
|---|---|
| Where is the Linux kernel stored? | /boot directory |
| Which command can be used to fine-tune the vsync and hsync of a video card for use in X Windows? | xvidtune |
| Does GRUB need to be reinstalled after it has been modified? | It does not need to be reinstalled |
| Which runtime configuration file is executed last during system initialization? | /etc/rc.d/rc.local |
| Which runlevel halts the system? | 0 |
| Which file does init reference on startup to determine the default runlevel? | /etc/initab |
| Which two commands entered at a command line prompt can be used to start X Windows, the window manager, and the default desktop environment? | gdm and startx |
| What directory/partition contains the boot loader? | MBR/GPT or the active partition |
| Which command is used to reinstall LILO after its configuration has been altered? | lilo |
| What can be used to modify the Windows boot loader in order to dual boot Linux? | EasyBCD program |
| How many active partitions are allowed per hard disk drive? | 1 |
| How is the second partition on the third disk drive to GRUB indicated? | (hd2,1) |
| Which implementations of X Windows are commonly used in Linux? | X.org and XFree86 |
| What is the name of the directory that contains the configuration information for runlevel2? | /etc/rc.d/rc2.d |
| What directory contains the Linux kernel? | /boot |
| When a user enters single user mode, who is he/she automatically logged in as? | root |
| What is the first process generated on a Linux system? | init |
| Which utility can be used to configure the video card and monitor used by X Windows in Fedora 13? | system-config-display |
| Which command causes the system to enter single user mode? | init1 |
| The timeout value in the GRUB configuration file is measured in ____. | seconds |
| The MBR/GPT might contain a pointer to a partition on the system that contains a boot loader on the first sector. What is this partition called? | active partition |
| What is the Linux kernel named? | vmlinuz-<kernel version> |
| A ________ is a system process that performs useful tasks, such as printing, scheduling, and OS maintenance | daemon |
| The first daemon process on the system is called the ________ (___) daemon | initialize, init |
| What is the primary function of boot loaders? | to load the Linux kernel into memory |
| What are the two most common boot loaders used on Linux systems? | GRUB and LILO |
| Which configuration file is edited in order to configure GRUB? | /boot/grub/grub.conf |
| Which command is used if the GRUB boot loader becomes damaged, and you need to reinstall it? | grub-install /dev/sda (first SATA hard disk) |
| How can you configure the LILO boot loader by editing which file? | /etc/lilo.conf |
| If LILO is modified, it must be _______ using the new information for those changes to take effect. | reinstalled |
| A process that allows the user to choose which OS to load at boot time. | dual boot |
| What defines the number and type of daemons that are loaded into memory and executed by the kernel on a particular system? | runlevel |
| Which command is used to see the current runlevel of the system and the previous runlevel if they have been changed since system startup? | runlevel |
| Which command is used to change the runlevel on a running system? | init 0-6 |
| A common name for Runlevel __ is halt. This is a system that has no daemons active in memory and is ready to be powered off. | 0 |
| A system that has only enough daemons to allow one user to log in and perform system maintenance tasks. | 1 (single user mode) |
| A system with most daemons running and that allows multiple users the ability to log in and use system services. | 2 (multiuser mode) |
| A system that has the same abilities as multiuser mode, yet with all extra networking services started. | 3 (extended multiuser mode) |
| A system that is not normally used but can be customized to suit your needs. | 4 |
| A system that has the same abilities as extended multiuser mode, yet with a graphical login program that allows for graphical logins. | 5 (graphical mode) |
| A special runlevel used to reboot the system | 6 (reboot) |
| A shortcut to the init command. | telinit |
| Which daemon enters the default runlevel |
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