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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)