UrbanPro

Location Set your Location

Login Ask & Answer Success Stories Paid Courses Free Classes Tuition & Classes Fees Write a Review All Categories Help Center
Post your Learning Need Signup as a Tutor
✕

Popular Cities

Bangalore

Hyderabad

Delhi

Mumbai

Chennai

Pune

Kolkata

Gurgaon

Ahmedabad

Jaipur

Noida

✕

Learn Linux from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Book a Free Demo

Linux > Learn Linux > What is /dev/null in Unix?
✕

Search in

What is /dev/null in Unix?

Asked by Last Modified  

6 Answers

Learn Linux

Follow 6
Answer

Please enter your answer

Training Professional

/dev/null is the null file Is is a special file which contains nothing.
Comments
Dislike Bookmark

Linux Admin Trainer

/dev/null is a file. if we want to nullify something we can redirect the output to this file. Ex: find / -name linux >> /dev/null
Comments
Dislike Bookmark

Trainer

Its a file which stands for the null file or if i comoare it with windows OS,we can call it as a permanently deleting the file by pressing Shift+del key .
Comments
Dislike Bookmark

Linux Administration Certification and UNIX Shell Scripting

It is a bit bucket in Unix where you dump things you don't need. When you need to discard output from your command , you can redirect it to /dev/null. In Unix, an external device is treated as a file. All such devices are found as files in /dev directory. It is a Null device . Suppose you need to...
read more
It is a bit bucket in Unix where you dump things you don't need. When you need to discard output from your command , you can redirect it to /dev/null. In Unix, an external device is treated as a file. All such devices are found as files in /dev directory. It is a Null device . Suppose you need to search for a pattern, but do not need it to be displayed to the console, but need the exit code of the command, we can do grep pattern filename > /dev/null # search without displaying it to console. echo $? # exit code You can also redirect your standard error messages from a command to /dev/null as $cmd 2> /dev/null Here 2> represents standard error. /dev/null is the bit-bucket: the place where you dump anything you don't need. /dev/null is a special file-system object that throws away everything written into it. Redirecting a stream into it means hiding an output. read less
Comments
Dislike Bookmark

IT Professional Trainer with 13 Years of Experience

its an black hole you can send any junk data.
Comments
Dislike Bookmark

Programming Tutor

it is used to dispose off unwanted files or devices in Unix. it is a special file, not a directory, therefore, one cannot use mv command to move files in /dev/null.
Comments
Dislike Bookmark

View 4 more Answers

Related Questions

What is the cost of linux course and how much do the certification cost?
1000 for basic and 2000 for linux advance, for certification, give exam, clear it and you are certified
Anusha
Is it possible to do web development in Linux OS that is installed on a virtual machine, the host of which is Windows?
Yes it is possible....
Poojashree
0 0
6
Hi, I am learning compilation of Linux kernel and grub. If any useful links and material is in place that I can refer it would be helpful.
Hey, I think http://tldp.org will of great help for you.
Dhiraj
Hi my name is Raja i have 8 Years Expnt in Desktop Support i Need to change my Platform From linux basic are Network Base Work
Hi Raja, As you said, you already have some experience on desktop support, so better choose Linux Administration. First learn basic level of Linux Administration from any institute, then go to real time...
Rajasubramanian
My name is Rajesh , working as a Recruiter from past 6 years and thought to change my career into software (development / admin/ testing ) am seeking for some suggestion which technology I need to learn ? Any job after training ? Or where I can get job within 3 months after finishing my training programme- your advices are highly appreciated
Mr rajesh if you want to enter in to software Choose SAP BW AND SAP HANA because BW and HANA rules the all other erp tools next 50 years.it provides rubust reporting tools for quicker decesion of business It very easy to learn
Rajesh
1 0
6

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Linux File System
Linux File system: Right click on Desktop and click open interminal Login to Linux system and run simple commands: Check present Working Directory: $pwd /home/cloudera/Desktop Change Directory: $cd...

Sysro Tech Solutions Pvt Ltd SYSRO

0 0
0
How to detect duplicate address manually in a network from Linux ?
Below script will help you to detect duplicate IP address in a subnet The key command is the arping command which will send out an ARP packet with DAD (duplicate address detection) If the return...

Ansil H.

1 0
0
how to learn linux system/server adminstration effectively
First the person looking to learn linux adminstration needs to strat from the basic and should practise everyday for atleast 2 hours a day

Shair A.

5 0
0
How To Start Shell Scripting?
Hi learners, I would like to share my knowledge in shell scripting: Every new Linux learners goal is to learn shell scripting. But only a few starts quickly writing the shell scripts.Why? The reasons...

Balu Sai

1 0
0
LINUX - SETTING UP YUM REPOSITORY
If we buy RHEL 7 the system by default will be connected to Red Hat Network (RHN). All packages and updates will be installed from RHN. So RHN will be our main source and repository. Since we have...
A

Aseem .

1 0
0

Recommended Articles

Top 5 Skills Every Software Developer Must have

Software Development has been one of the most popular career trends since years. The reason behind this is the fact that software are being used almost everywhere today.  In all of our lives, from the morning’s alarm clock to the coffee maker, car, mobile phone, computer, ATM and in almost everything we use in our daily...

Read full article >

Make a Career in Mobile Application Programming

Almost all of us, inside the pocket, bag or on the table have a mobile phone, out of which 90% of us have a smartphone. The technology is advancing rapidly. When it comes to mobile phones, people today want much more than just making phone calls and playing games on the go. People now want instant access to all their business...

Read full article >

Why Should you Become an IT Consultant

Information technology consultancy or Information technology consulting is a specialized field in which one can set their focus on providing advisory services to business firms on finding ways to use innovations in information technology to further their business and meet the objectives of the business. Not only does...

Read full article >

Learn Hadoop and Big Data

Hadoop is a framework which has been developed for organizing and analysing big chunks of data for a business. Suppose you have a file larger than your system’s storage capacity and you can’t store it. Hadoop helps in storing bigger files than what could be stored on one particular server. You can therefore store very,...

Read full article >

Find Linux Training near you
Linux Training in Bangalore
Linux Training in Hyderabad
Linux Training in Pune
Linux Training in Delhi
Linux Training in Chennai
Linux Training in Mumbai
Linux Training in Noida
Linux Training in Gurgaon
Linux Training in Kolkata
Linux Training in Ahmedabad

Looking for Linux Training?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
X

Looking for Linux Classes?

The best tutors for Linux Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Learn Linux with the Best Tutors

The best Tutors for Linux Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more

ThinkVidya Learning Pvt Ltd © 2010-2024All Rights Reserved