Please help with the following: Give the descriptiotn of the following commands in Linux adduser deluser history grep
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Please help with the following:
Give the descriptiotn of the following commands in Linux
adduser
deluser
history
grep
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- Book reference: Windows PowerShell Step by Step 3rd Edition - Ed WilsonChapter 18 12. What is the use of the –Strict parameter in the Set-PSDebug cmdlet? 13. What is a key difference between the Set-PSDebug cmdlet the Set-StrictMode cmdlet.choose 3 different Linux flavors - also called "distros" (distributions) - and research them. Write a summary paragraph about each one, for a total of 3 paragraphs. Include a references section at the end of your assignment with active links to all the sources you use. Notes: Don't use Ubuntu.First, launch NetBeans and close any previous projects that may be open (at the top menu go to File ==> Close All Projects).Then create a new Java application called "WeightedAvgDataAnalyzer" (without the quotation marks), that modifies the DataAnalyzer.java in Horstmann Section 7.5, pp. 350-351 according to the specifications below.The input file should be called 'data.txt' and should be created according to the highlighted instructions below. Note that even though you know the name of the input file, you should not hard-code this name into your program. Instead, prompt the user for the name of the input file.The input file should contain (in order): the weight (a number greater than zero and less than or equal to 1), the number, n, of lowest numbers to drop, and the numbers to be averaged after dropping the lowest n values.You should also prompt the user for the name of the output file, and then print your results to an output file with the name that the user specified.Your…
- First, launch NetBeans and close any previous projects that may be open (at the top menu go to File ==> Close All Projects). Then create a new Java application called "WeightedAvgDataAnalyzer" (without the quotation marks), that modifies the DataAnalyzer.java in Horstmann Section 7.5, pp. 350-351 according to the specifications below. The input file should be called 'data.txt' and should be created according to the highlighted instructions below. Note that even though you know the name of the input file, you should not hard-code this name into your program. Instead, prompt the user for the name of the input file. The input file should contain (in order): the weight (a number greater than zero and less than or equal to 1), the number, n, of lowest numbers to drop, and the numbers to be averaged after dropping the lowest n values. You should also prompt the user for the name of the output file, and then print your results to an output file with the name that the user specified. Your…/** To change this license header, choose License Headers in Project Properties.* To change this template file, choose Tools | Templates* and open the template in the editor.*/package Apps; import ADTs.QueueADT;import DataStructures.ArrayStack;import ADTs.StackADT;import DataStructures.LinkedQueue;import java.util.Scanner; /**** @author Qiong*/public class RepeatStrings {public static void main(String[] argv) throws Exception{final int SIZE = 3;Scanner keyboard = new Scanner(System.in);QueueADT<String> stringQueue;//stringQueue = new CircularArrayQueue<String>(SIZE);stringQueue = new LinkedQueue<String>();StackADT<String> stringStack;stringStack = new ArrayStack<String>(SIZE);String line;for (int i = 0; i < SIZE; i++){System.out.print("Enter a line of text which includes only 3 words > ");line = keyboard.nextLine();//TODO enque the new element//TODO push the new element}System.out.println("\nOrder is: ");for (int i = 0; i < SIZE; i++){// TODO…This is sample data from my JSON file: "firstName" : "Juan","middleName" : "Dela""lastName" : "Cruz","username" : "JuanDelaCruz","password" : "1234", I already have a JAVA GUI that displays the data of each user in a table format. I need the part of my program that will allow the server to either accept or reject the user. If the user is accepted, the credentials of the user will be saved in another JSON file. If rejected, the server will do nothing.
- Using JAVA, Create a File Menu in your GUI Add a file menu to your BulbGUI with options to open any file for reading (and displaying the file as in Project 2), and one to Quit the program. You will need a FileMenuHandler class to handle the events from the FileMenu. Be sure to use getAbsolutePath() when getting the file from the JFileChooser, not getName(). Handle Exceptions Create an exception called IllegalBulbException (by extending IlegalArgumentException as shown in the lecture) and have the constructor of the Bulb throw it. For our purposes, a Bulb is illegal if the wattage is less than 5. Use a try/catch statement to catch this exception in your program, and display the erroneous Bulbs to the console (do not put them in the ArrayList). Use ArrayLists Use an ArrayList to store the unsorted Bulbs. For this project, display only the unsorted bulbs in the GUI. Input file Phillips,1237DF2,100,1200 Phillips,546AHH7,75,900 Phillips,875RTM6,4,750 Cree,14573,65,800 Cree,86545,100,1100…We will use the file classlist.txt. Note that it contains a list of usernames. 3. Write a script called finduser that is to be called as follows, where classlist is the name of the classlist file, and username is a particular student's username, either first name or last time. ./finduser classlist username The script should check that the correct number of arguments was received and print an error message if not, check whether the classlist file exists and print an error message if not, print the line of the given username in the classlist file If you have not been doing so all along, you should now add some comments to your script and thoroughly test it! 4. Write the script into your lab report.Linux commands: In this part of the lab, you will run Linux commands, capture their output in a format that shows the command and its results in an easy way (command-> new line-> output - > new line-> new line-> command, .... etc). In your output file, make sure to print out the name of your user account and todays date. It should look something like this "My Student Account is " , "Todays Date is ". Can someone please help with this ?
- nycflights13 For this assignment, you must name your R file nycflights13.R *****use Rmarkdown file in Rstudios For all questions you should load tidyverse and nycflights13. You should not need to use any other libraries. If the tidyverse package is not installed, you’ll need to do a one-time installation from the Console Window in RStudio like this:install.packages("tidyverse") If the nycflights13 package is not installed, you’ll need to do a one-time installation from the Console Window in RStudio like this:install.packages("nycflights13") Load tidyverse with: suppressPackageStartupMessages(library(tidyverse)) Load nycflights13 with:suppressPackageStartupMessages(library(nycflights13)) The actual data set is called flights.See the nycflights13 package page and chapter 5 from the textbook for more info. You can not attempt to install packages in CodeGrade. Round all float/dbl values to two decimal places. If your rounding does not work the way you expect, convert the tibble to a…Select the best answers. The following are all cmdlet/alias/function for viewing the help files of cmdlets, except: Group of answer choices MAN Get-Help Help All of the abovenycflights13 For this assignment, you must name your R file nycflights13.R *****use Rmarkdown file in Rstudios For all questions you should load tidyverse and nycflights13. You should not need to use any other libraries. If the tidyverse package is not installed, you’ll need to do a one-time installation from the Console Window in RStudio like this:install.packages("tidyverse") If the nycflights13 package is not installed, you’ll need to do a one-time installation from the Console Window in RStudio like this:install.packages("nycflights13") Load tidyverse with: suppressPackageStartupMessages(library(tidyverse)) Load nycflights13 with:suppressPackageStartupMessages(library(nycflights13)) The actual data set is called flights.See the nycflights13 package page and chapter 5 from the textbook for more info. You can not attempt to install packages in CodeGrade. Round all float/dbl values to two decimal places. If your rounding does not work the way you expect, convert the tibble to a…