The Complete Practical Docker Guide - Where Process Data Streams Send Data by Default

The Complete Practical Docker Guide - Where Process Data Streams Send Data by Default

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains the concept of data streams in processes, focusing on stdin, stdout, and stderr. It describes how these streams interact with shell processes, using examples like LS and mkdir. The tutorial also covers redirecting stdout to a file and introduces numeric IDs for stream redirection. It concludes with a discussion on processes that accept data via stdin.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the three data streams every process has?

stdin, stdout, stderr

in, out, err

input, output, error

read, write, execute

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the shell process handle the output of commands like 'ls'?

It sends the output to another process

It redirects the output to a file

It prints the output to the screen

It discards the output

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when you enter 'mkdir' without arguments?

It shows an error message

It lists all directories

It does nothing

It creates a directory

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of redirecting stdout to a file?

To send the output to another process

To display the output on the screen

To delete the output

To save the output for later use

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which processes do not accept input via stdin?

grep and awk

ls and mkdir

find and sed

cat and echo

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