Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Dec 04, 2023

Write a shell script to see if a user is logged in or not. Take the username argument on the command line. Respond 'Yes' or

Write a shell script to see if a user is logged in or not. Take the username argument on the command line. Respond 'Yes' or No if they are logged in.

Step by Step Solution

★★★★★

3.48 Rating (158 Votes )

There are 3 Steps involved in it

Step: 1

Points to Consider Here in the question the requirement ... blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

Step: 3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Principles Of Information Security

Authors: Michael E. Whitman, Herbert J. Mattord

7th Edition

035750643X, 978-0357506431

More Books

Students also viewed these Operating System questions

Question

Write a shell script that will act as a supermarket shopping data entry screen. The screen will look like below : Item Name : Item Cost : Number of Items Purchased : a. Use the read shell command to...

Answered: 1 week ago

Question

★★★★★

Write a shell script that when READing a integer number, determines (and reports) if it is even or odd. You should prompt the user to enter a number, then issue a statement similar to Your number is...

Answered: 1 week ago

Question

★★★★★

Write a shell script that produces a file of sequential numbers by reading the last number in the file, adding 1 to it, and then appending it to the file. Run one instance of the script in the...

Answered: 1 week ago

Question

★★★★★

What is the time value of money? Including present and future value. How would a financial expert interpret it?

Answered: 1 week ago

Question

★★★★★

A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the bottom of the lake. The sphere has a volume of 0.650 m3 and the tension in the cord is 900 N. (a)...

Answered: 1 week ago

Question

★★★★★

15-3. Discuss the basic perceptual process and note how it differs across cultures.

Answered: 1 week ago

Question

★★★★★

Select two qualitative studies from the literature. Compare the authors handling of the following dimensions: a. Motivation for conducting the research b. Data collection strategies c. Credibility...

Answered: 1 week ago

Question

★★★★★

The following information was taken from Starbucks Corporations 2011 and 2012 Form 10-Ks. Required a. Explain whether each line of information in the table above would best be described as being...

Answered: 1 week ago

Question

★★★★★

2- Record each of the below transactions in general journal form. (Loan interest would be chargeable to customer account on declining balance method) - Don't forget to write dates and the remaining...

Answered: 1 week ago

Question

★★★★★

with the below question There is no data set for this question. Assume the mean kilojoule content of a fast food meal is 2,000 KJ, and that the associated standard deviation is 220 KJ. The researcher...

Answered: 1 week ago

Question

★★★★★

Week 2 Cohesion Case Competitive Advantage - Making Business Decisions 1 Ebusiness - Making Business Decisions 1

Answered: 1 week ago

Question

★★★★★

Emilie Peters, the manager of the Laptop Division at Multitech Corporation, has enjoyed success. Her division's return on investment (ROI) has consistently been 18 percent on a total investment in...

Answered: 1 week ago

Question

★★★★★

Mack's Juices produces and bottles a line of fruit juices. The manufacturing process entails mixing and adding juices and other ingredients at the bottling plant, which is a part of Blending...

Answered: 1 week ago

Question

★★★★★

Assume that last year in a particular state with 700000 children there were 1307 children out of 33400 in a random sample who were diagnosed with Autism Spectrum Disorder. Nationally, 1 out of 88...

Answered: 1 week ago

Question

★★★★★

Exercise 14-30 (Algo) ROI versus RI (LO 14-2, 3) Albany Division is considering the acquisition of a new asset that will cost $540,000 and have a cash flow of $186,000 per year for each of the four...

Answered: 1 week ago

Question

★★★★★

In a famous study done in the 1960s two dolphins, Doris and Buzz, were trained to work together to earn fish. Doris was shown a light underwater. If the light was on steadily, her partner Buzz on the...

Answered: 1 week ago

Question

★★★★★

1.( 30 pts) In order to diagnose flow problems on the shell side of a large, plant scale shell and tube heat exchanger, you are asked to determine the pressure drop in a lab-scale glass shell model....

Answered: 1 week ago

Question

★★★★★

Revol Industries manufactures plastic bottles for the food industry. On average, Revol pays $76 per ton for its plastics. Revol's waste-disposal company has increased its waste-disposal charge to $57...

Answered: 1 week ago

Question

★★★★★

I. Compare and contrast the differences between the BLP and Biba integrity models. Emphasize that the key difference between the two models is the integrity properties, as they accomplish a similar...

Answered: 1 week ago

Question

★★★★★

I. Explain the differences between a host-based IDPS and network-based IDPS. II. Recall that the main purpose of this type of IDPS is to protect the server or hosts information assets. III. Detail...

Answered: 1 week ago

Question

★★★★★

Define the reality that certifications cost money and the better certifications can be quite expensive to attain. Depending on the certification, one can cost more than$750.00 alone, and...

Answered: 1 week ago

Question

★★★★★

Darla sells roses in a competitive market where the price of a rose is $5. Use this information to fill out the revenue columns in Table 13P-1.

Answered: 1 week ago

Question

★★★★★

In what ways are profit-maximizing and loss-minimizing the same? In what ways are they different?

Answered: 1 week ago

Question

★★★★★

Suppose an industry consists of many firms with identical cost structures, represented by the typical individual firm in panel A of Figure 13P-4. Price is P1. With the aid of panel A, draw the...

Answered: 1 week ago

Previous Question Next Question