Ok , i try to not to be lazy and search it on Google instead@Sarthak Patial I'm glad it worked, but it's true that you need to make the effort on learning to fish instead of just asking for fish. There will be a huge amount of questions that will arise as soon as you begin to use Linux, so the sooner you get the learning attitude, the better your experience will be.
In addition to @f33dm3bits say, and as a bit of a shameless plug (as it was written by me), there's also a thread in this very forum that explains what are you doing behind those operations. Things like this are why there's always the recommendation (a rule in many forums, as a matter of fact) of using the search box before asking -- because probably it was already asked, or existing.
When we download software, we need to verify two things: The integrity of the software we have just downloaded. The authenticity of the package. Checking these two things will ensure that the download went well, and that the software is authentic (and not malware, for example). For the...www.linux.org
Once you'd understand what you are doing and why, what is left is just to use your search engine to find equivalent commands for Windows, Mac, BSD or whatever you'd be using in the future.