Command Line Exercises

commandline_exercises.txt

Pipes---
1.Download the contents of "Harry Potter and the Goblet of fire" using the command line from here
  wget https://raw.githubusercontent.com/bobdeng/owlreader/master/ERead/assets/books/Harry%20Potter%20and%20the%20Goblet%20of%20Fire.txt
  
1. Print the first three lines in the book

2.Print the last 10 lines in the book

3. How many times do the following words occur in the book? 

4.Print lines from 100 through 200 in the book

5. How many unique words are present in the book? 
 
 Processes, ports------
 1-List your browser's process ids (pid) and parent process ids(ppid)
  
 2-Stop the browser application from the command line
     
 3- List the top 3 processes by CPU usage.
    
 4- List the top 3 processes by memory usage.

 5-Start a Python HTTP server on port 8000
  
 6- Open another tab. Stop the process you started in the previous step
     open another tab :- 
     stop process:- 
 
 7-Start a Python HTTP server on port 90

 8- Display all active connections and the corresponding TCP / UDP ports.
   
 9- Find the pid of the process that is listening on port 5432
       start server:-  
       find pid :-  
       stop server:-
        
 Managing software------
 
 1- Install htop, vim and nginx
 
 2- Uninstall nginx


Misc----------
 
 1- What's your local IP address?
      
 2- Find the IP address of google.com
    
 3- How to check if Internet is working using CLI?
       
 4- Where is the node command located? What about code?