ITE 372 Exam 1

The _______________ command is used to summon the built-in documentation, which covers all Linux commands.

info

By default, STDIN is received from the ____________________ .

Keyboard

The _______________ of a computer contains the settings for the hardware, such as the amount of physical RAM, type of hard drive, the boot order, and also keeps the system time.

bios

The _______________ command takes the output of one command and inserts it into the input of another command.

|

The ____________ is located on the 1st sector of a bootable disk and is less than 512 bytes in size.

Master Boot Record

The ____________ _____________ is the first thing loaded and presents a splash screen allowing the user to choose which operating system or kernel to use.

boot loader

By default, STDOUT sends its information to the _____________________ .

Screen

The _______________ command appends the output of one command to the bottom of a text file.

>>

The _______________ command will present all of the past commands you have used, and allows you to run them again by using the ! command.

history

The _______________ command redirects the output of one command to a file, overwriting the file if it already exists.

> (redirect)

The ________________ is a computer program at the core of an operating system, and has complete control over all hardware and software on the computer.

kernel

A ___________ device file facilitates communication between many processes at once, including across the network.

socket

Unless it is redirected, ________________ is displayed to the default terminal display.

STDOUT

The _________________________ code examines the partition table, selects a suitable partition and loads the program that will perform the next stage of the boot process

Master Boot Record

Unless it is redirected, _______________ comes from the keyboard.

STDIN

A ____________ device file provides buffered access to hardware devices, and provides some abstraction from their specifics. These devices transfer data. You will most commonly see these devices as hard drives and filesystems.

block

The ____________ _____________ is responsible for loading and transferring control to an operating system kernel software

boot loader

/dev/null is an example of a ________________ device.

pseudo

A _____________ device file provides unbuffered, direct access to the hardware device. These pseudo device file transfers data one character (byte) at a time.

character

The ________________ is a program that runs the initial setup to determine if there are hardware-related issues with the computer for proper diagnostic testing.

POST

The _____ operator evaluates as a logical OR in an expression

||

When using an IF conditional statement in Bash to compare two Integers, you use the ________ operator to test if INTEGER 1 is not equal to INTEGER 2.

!=

The _____ loop type useful for generating a fixed number of iterations based on a range or a list

for

The ____ operator evaluates as a logical NOT in an expression to represent the opposite of the expression.

!

In the if clause, the ______ keyword always evaluates as true and acts as a catch-all if none of the expressions test as TRUE.

else

In the case clause, the optional last comparison _____ is a default case and that matches anything.

*)

The _____ operator evaluates as a logical AND in an expression.

&&

When using an IF conditional statement in Bash to compare two STRINGS, you use the _______ operator to test if STRING1 is equal to STRING2.

==

The _____ loop type is useful for looping continuously based on a condition being TRUE.

while

The block of code for an if clause ends with the keyword ____.

fi

____ _____ device files allows for one or more process to communicate with each otheras long as they areon the same host

named pipe(s)

start of a bash code #!/bin/bash

shebang (#!)

command used for pattern matching and content searching in bash

grep

is the name of program that enables Linux users to execute commands or scripts automaticallt at the fixed times, dates, or intervals

cron

the bash shell feature that is used for matching or expanding specific types of patters

globbing

matches any string including a empty one

*

matches and singular character

?

matches anyone of the chracters inside

[]

all special chraters between ______ losse their special meaning

‘ (single)

any character immediatly following the ______ loses its special menaing

\ (backslash or escape)

_____ command subsitution used to execute a command and replace its output

backtick `

allows special characters for escapign and variable xapnsion

“ (double quote)

what are the four quote types

'single, escape, double, backtick

caret that searches those contents of the file that starts with a given range of characters

outside

caret that shows alll content of a file by highlighing teh lines that start witha given range of characters

inside

modern replacement for BIOS

UEFI (universal extensible firmware interface)

a battery powered chip

cmos (complemetary metal oxide simiconductor)