HomeworkLib
Question

Describe how a user can combine applications with each other and with utilities to perform useful tasks in UNIX. Specifi...

Describe how a user can combine applications with each other and with utilities to perform useful tasks in UNIX. Specifically, what mechanisms and concepts in the UNIX operating system enable this? Give examples.

engineering   Computer-Science   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Pipes :

pipes is an unix mechanism to send the output of one program as input to the other program and can start

executing one after the other.

We use '|' symbol for Pipes.

Example:

Suppose we want search for files which contain "check" in them and put that into a file called results.txt

By using pipes we can do it in the following way :

ls | grep "check" | cat > results.txt

0 0
Add a comment
Know the answer?
Add Answer to:
Describe how a user can combine applications with each other and with utilities to perform useful tasks in UNIX. Specifi...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • These are the questions in intro to os and unix. Your efforts are appreciated. Thank you...

    These are the questions in intro to os and unix. Your efforts are appreciated. Thank you very much ! q1) [2] Give an abstract, high-level description of what a computer is. q2) [5] List the elements of a Von Neumann Machine. q3) [3] Name the two types of software, and give a brief description of each. q4) [2] What are the 2 Roles/Purposes of the OS? q5) [5] What are the OS's management tasks? q6) [1] What is a process?...

  • There are 3 strategies to map user to kernel threads. Briefly describe each. Which one is...

    There are 3 strategies to map user to kernel threads. Briefly describe each. Which one is used in most modern operating systems? Describe how an operating system can be viewed differently depending on the use case (e.g., administrators, users, developers, system engineers). There are 5 general areas of management that an operating system is responsible for. Name and briely describe 3 of them.

  • 12. Using the following table list several activities performed by each of the following mainframe roles....

    12. Using the following table list several activities performed by each of the following mainframe roles. Typical Roles in System z Careers Role Activities Performed System Programmer System Administrator Application Programmer System Operator Production Control Analyst Customer Engineer FTSS (Field Technical Sale Support) SE (Systems Engineer) SPOC (Single Point of Contact) 13. Using examples from the previous table titled "z/Enterprise Roles", explain the concept of "Separation of Duties". Answer: 14. The web URL document "Separation of Duties and IT Security"...

  • Describe how the concepts of leadership and management differ from each other. In what areas do...

    Describe how the concepts of leadership and management differ from each other. In what areas do they overlap? Explain how the goals of management and leadership may sometimes overlap. As a nurse leader, do you believe you can expand your influence to create change by taking advantage of this overlap? Explain your answer.

  • 1. What are the 4 types of hypersensitivity reactions? Identify and describe each. 2. How do...

    1. What are the 4 types of hypersensitivity reactions? Identify and describe each. 2. How do antibodies cause tissue injury and disease? What are some examples of disease caused by IgG or IgM antibodies or immune complexes, what is their pathogenesis, and what are their principal clinical and pathologic manifestations? 3. Identify and describe the mechanisms employed by the innate immune system that permit it to distinguish between self and non-self. Explain how innate immune system reactions against self are...

  • Describe how the three pillars of management interact with each other. How can a firm’s strategy...

    Describe how the three pillars of management interact with each other. How can a firm’s strategy influence the design of the organization? In what ways can a manager influence the strategy of an organization?

  • Writing Unix Utilities in C (not C++ or C#) my-cat The program my-cat is a simple...

    Writing Unix Utilities in C (not C++ or C#) my-cat The program my-cat is a simple program. Generally, it reads a file as specified by the user and prints its contents. A typical usage is as follows, in which the user wants to see the contents of my-cat.c, and thus types: prompt> ./my-cat my-cat.c #include <stdio.h> ... As shown, my-cat reads the file my-cat.c and prints out its contents. The "./" before the my-cat above is a UNIX thing; it...

  • Improvised explosive devices (IEDs) are responsible for many deaths in times of strife and war. Unmanned ground vehicles (robots) can be used to disarm the IEDs and perform other tasks as well. If the...

    Improvised explosive devices (IEDs) are responsible for many deaths in times of strife and war. Unmanned ground vehicles (robots) can be used to disarm the IEDs and perform other tasks as well. If the robots cost $135,000 each and the military arms unit signs a contract to purchase 4,500 of them now and another 9,000 one year from now, what is the equivalent annual cost of the contract over a 5-year period at 9% per year interest? The equivalent cost...

  • 1. What is a corporate culture, and why is it important? Describe the culture at a...

    1. What is a corporate culture, and why is it important? Describe the culture at a business where you have been employed. 2. Mention five specific techniques you can use to improve your written documents. 5. When preparing an oral presentation, what six tasks should you perform? 7. Why are visual aids important? Give at least three examples of different types of visual aids, and explain how you would use each type in a presentation. 8. Based on your own...

  • UNIX File Permission help, please answer the questions in the green boxes. Thank you Lab 03...

    UNIX File Permission help, please answer the questions in the green boxes. Thank you Lab 03 File Permissions In this lab we will: learn about file permissions learn to create symbolic links and hard links Utilities that will be utilized in this Lab: us, cd, less, cat touch, chmod id umask, mkdir, In, echo and redirection Users and Groups Linux supports several methods of controlling access to files an directories. In this lab we are going to learn the traditional...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT