RPM vs YUM

What is the difference between RPM and YUM?

Though we have multiple sites / blogs providing the answer for your question, still I will try my best to find the best and provide the same as best as possible.

So here we start, let me start with what these two terms stands for?
RPM - Red hat Package Manager
YUM - Yellow Dog Update Modifier

That was easy to remember right. Let’s move on,

  • The term of YUM is widely is used that is a very useful package manager and on the other side of the coin, RPM is the original package for which the YUM is working.
  • The purpose of designing and producing the remarkable creation of YUM is to provide the facility of adding or removing software to the users. 
  • Whereas this software set come within the RPM.
  • So, the RPM is a useful program the purpose of which is to manipulate specifically the packages that are required to be influenced. 
  • While the YUM is a more intelligent management system which has the ability to locate the dependencies and download .rpm files no matter if they are present in the system or not
That's really nice about YUM (a system admins life is made easy)

RPM :-
  • By using the RPM command, the users are required to know the exact location of the .rpm package.
  • The RPM is a powerful Package Manager that is able to utilize for the sake of building installing, querying, verifying, updating and erasing the individual software packages.
  • It is the default package manager that is very useful but it doesn't have a facility of tracking dependencies itself.
YUM :-
  • Function of YUM is rather advance as compare to RPM since it is capable of locating the desired file itself for which you need to know the name of it and it must be available through your repositories list at the same time.
  • YUM is installed with its dependencies
Differences in RPM and YUM
  • YUM is known for resolving dependencies. On the other hand, though the RPM has the ability of alerting you to these dependencies but it is unable to source additional package.
  • The services of RPM will allow YUM to install more than one version of any file at the same time. Quite the opposite, the YUM will inform you the previous version of the package that is already installed in your system but never allow you to install its multiple versions.
        While using RPM, if you mention that a package is required to be updated, the RPM will attempt to do so for which it will employ the downloading the necessary dependencies. After that it will install them for you as well. If you don't provide any package name to RPM, the RPM will try initiate the update process each and every package which is installed on your system. While employing the YUM upgrade facility, it will try to get rid of any package in which the `obsolete` option is available.

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