Week 1

Question 1

ls

And some associated parameters

Answer 1

List files

• Force (shows hidden files)
• Full

Question 2

How to know flag options in Linux?

Answer 2

–help after a command

Question 3

Flags and parameters

Answer 3

Specify additional options for a command

Question 4

man and -Full

Answer 4

man is a flag used to pull up more detailed info on a command’s parameters

-Full is the windows version of man, though man goes before the command and -Full goes after

Question 5

Absolute path

Answer 5

One that starts from the main directory

Question 6

Relative path

Answer 6

One that starts from the current directory

Question 7

pwd

Answer 7

Print working directory

Tells you which directory you are currently in

Question 8

What command moves you one directory up from the one you’re on?

Answer 8

cd ..

Question 9

Tab completion

Answer 9

Lets you use tab key to autocomplete file names and directories

Question 10

What’s the command in PowerShell to make a new folder?

Answer 10

mkdir

Question 11

How to search history in PowerShell?

Answer 11

Ctrl - R

Question 12

Wildcard

Answer 12

A character that’s used to help select files based on a certain pattern

• is followed by the extension or other pattern you want to select by

Question 13

What command lets you rename a file?

Answer 13

mv

Question 14

What is the command to remove files?

Answer 14

rm or remove

Question 15

How do you leave the “more” command

Answer 15

Enter the “q” key

Question 16

How do you view the first 10 lines of a file and the last 10 files?

Answer 16

• Head 10

- Tail 10

Question 17

What key moves you to the beginning of a file opened via the “less” command in Linux? The end?

Answer 17

g (takes you to the beginning)

G (takes you to the end)

Question 18

How to search for words in less interface in BASH in Linux?

Answer 18

/word (where “word” is whatever word you’re looking for)

Question 19

What gets you out of less interface in Linux?

Answer 19

q key

Question 20

Nano, Vim, Emacs

Answer 20

Text editors used in the Linux OS

Question 21

Get-Alias

Answer 21

PowerShell command that lets the user know which PowerShell command is actually getting executed when using alias commands like ls

Question 22

Windows Search Service

Answer 22

It indexes files on your computer by looking through them on a schedule and compiles them into a database

Question 23

-Filter

Answer 23

PowerShell command used to search directories to look for just files with a certain file extension or some other category

Question 24

What is the command equivalent to select-string in Linux BASH?

Answer 24

grep

Question 25

What is echo an alias for in PowerShell?

Answer 25

Write-Output

Question 26

What does the > symbol mean in PowerShell?

Answer 26

It’s a redirector operator that moves the output from the screen to a specified location such as a file

Question 27

What is the difference between the > and&raquo_space; symbol?

Answer 27

The&raquo_space; symbol will not overwrite an existing file, but instead it will just append info to it

Question 28

What does the | symbol do?

Answer 28

Sends the output of one command to the input of another command

Question 29

stderr

Answer 29

Standard error (2)

Question 30

$null

Answer 30

An empty void to redirect crap you don’t want to see output to