Module 1 Day 5, Windows: display file contents, windows powershell

Question 1

how to open a file in windows gui?

Answer 1

double click on it

Question 2

what do text files default to open in Windows?

Answer 2

Notepad

Question 3

how do you change the default application that opens files in Windows?

Answer 3

right click, properties, open with, select what you want it to open with instead.

Question 4

what will most files we deal with in this course be?

Answer 4

text and configuration files

Question 5

how to view files with PowerShell? What command?

Answer 5

cat

Question 6

what does cat stand for?

Answer 6

concatenate

Question 7

what command will dump the contents of the file, ‘document.txt’ into our shell, in PowerShell? It will keep writing the content until the whole file is displayed.

Answer 7

cat .\document.txt

Question 8

how do you view the contents of a file one page at a time PowerShell? what command do you use?

Answer 8

more

Question 9

what will the more command do?

Answer 9

get the contents of the file, and pause once it fills terminal window.

Question 10

What command for reading text in the cli PowerShell launches you into a separate program from the shell/shelf?

Answer 10

More command.

Question 11

what keys do you use to operate the more program?

Answer 11

enter, space, q,

Question 12

what does the Enter key do in the More program in PowerShell?

Answer 12

advances the file by one line. Move slowly through the file.

Question 13

what does space do in the More program in PowerShell?

Answer 13

advances the file by one page

Question 14

what is the size of a ‘page’ in the More program?

Answer 14

It depends on the size of your terminal window

Question 15

what does the q key do in the More program in PowerShell?

Answer 15

allows you to quit out of More and go back to the Shell

Question 16

what command parameter do you use in PowerShell to read just the first few lines of a file?

Answer 16

-Head

Question 17

What is the Head of the file?

Answer 17

Just the first bit of it, so you can get a glimpse of what the document is.

Question 18

How would you use the -heads parameter to read the fruits.txt file?

Answer 18

cat fruits.txt -Head (number)

Question 19

What will the -Head 10 parameter make the cat command do?

Answer 19

read the first 10 lines of the file.

Question 20

What command shows us the last lines in a file?

Answer 20

-Tail

Question 21

how do you read a simple file in Bash?

Answer 21

use the cat command to view a document

Question 22

how would you cat document.txt in Bash? Simple, print the whole thing

Answer 22

cat document.txt

Question 23

what command lets us view more manageable portions of a file in Bash than just cat?

Answer 23

less

Question 24

how can I use less to read document.txt?

Answer 24

less document.txt

Question 25

what does the output of less in Bash look like?

Answer 25

you are launched into an interactive shell, and can see similar to more in Windows.

Question 26

what command is an alternative to less, but has been dying in favor of less?

Answer 26

more

Question 27

what are the common keys to use to interact with the less shell?

Answer 27

up,
down,
page up,
page down,
g,
G,
/word_search,
q

Question 28

What does g do in the less shell in Bash?

Answer 28

moves to the beginning of a file

Question 29

what does capitol G do in the ‘less’ shell in Bash?

Answer 29

moves to the end of a file

Question 30

what does the command /word_search do in Bash, in the less page?

Answer 30

allows you to search for a word or phrase

Question 31

what can you do if you type /learning in the less page?

Answer 31

you will be searching the text document for the word you want to search for, in this case, learning.

Question 32

what does q do in the less shell in Bash?

Answer 32

lets you quit out of less and go back to the shell

Question 33

What does head do in Linux Shell with a text document?

Answer 33

shows the first 10 lines of a file by default

Question 34

what would the command
head fruit.txt
print?

Answer 34

the first 10 lines of the fruit.txt file

Question 35

how do you view the last 10 lines of a file in Bash?

Answer 35

tail

Question 36

what will the command
tail fruit.txt
do?

Answer 36

print the last 10 lines of the fruit.txt file

Question 37

what is one basic program you can use to edit text files with the windows gui?

Answer 37

notepad

Question 38

what is a good text program to use when making configurations to scripts, configuration files, or other complex text files?

Answer 38

Notepad++

Question 39

what is Notepad++?

Answer 39

an open source text editor with support for different file types

Question 40

What text editor can open multiple files and tabs?

Answer 40

Notepad++

Question 41

what text editor does syntax highlighting for known file types? and has advanced text editing features

Answer 41

Notepad++

Question 42

what is syntax highlighting in a text editor like Notepad++?

Answer 42

display text in different colors,
different fonts to help you categorize things

Question 43

what did I download that i think is a programming program?

Answer 43

notepad++

Question 44

what editor can I use to edit any file?

Answer 44

Notepad++

Question 45

how can I edit a file from the cli?

Answer 45

no good default editor from PowerShell terminal, but we can launch notepad++ from the CLI and modify that way.

Question 46

what would the command in PowerShell
start notepad++ hello
do?

Answer 46

open notepad++,
ask if you want to create this file with this name, or see if you want to edit a file with this name.

Question 47

what is one text editor that can be found on nearly any distribution of linux?

Answer 47

nano

Question 48

how do you edit a file in nano?

Answer 48

type
nano filename

Question 48

what does Caret mean in the nano text editor? ^

Answer 48

use ctrl plus whatever letter.

Question 49

what does get help do in nano?

Answer 49

opens a help page

Question 50

what does ^X do in nano?

Answer 50

it lets you go back to the bash shell, brings you to a page where you can save your work and name it

Question 52

what text editor thinks of itself as almost being an operating system?

Answer 52

emacs

Question 53

what command on PowerShell, real PowerShell command, is used to see more information about commands?

Answer 53

Get-Help

Question 54

what PowerShell command lets us look and see what the actual PowerShell command is that gets executed

Answer 54

Get-Alias

Question 55

what is ls the alias for?

Answer 55

Get-ChildItem

Question 56

what does Get-ChildItem do?

Answer 56

gets or lists the children which are the files and subdirectories of the given item

Question 57

what happens if you run
Get-ChildItem C:\

Answer 57

this is the same output as ls C:\

Question 58

what commands are very long and descriptive?

Answer 58

PowerShell commands

Question 59

what is a great way to work more quickly in PowerShell?

Answer 59

aliases

Question 60

What are the three different types of executable commands you can use in PowerShell?

Answer 60

real PowerShell commands, relatable alias names, cmd.exe

Question 61

what are commands from the old MSDOS days of Windows? Can still be run due to backwards compatibility

Answer 61

cmd.exe

Question 62

What are the alias and cmd.exe versions of Get-ChildItem?

Answer 62

ls and dir

Question 63

what parameter do you use to Get-Help with cmd.exe commands? PowerShell

Answer 63

/?

Question 64

What is used for PowerShell commands to get help with them?

Answer 64

Get-Help

Question 65

What is used to get help with other commands like dir?

Answer 65

/?

Question 66

how would I use /? to get help with a command like dir?

Answer 66

ex:
dir /?

Question 67

what happens if you use ls /?

Answer 67

it will return nothing. the PowerShell command ls is alias of doesn’t understand that parameter.

Question 68

what are we using in this course? command-wise

Answer 68

aliases and PowerShell commands