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+# The `yum` command
+
+The `yum`command is the primary package management tool for installing, updating, removing, and managing software packages in Red Hat Enterprise Linux. It is an acronym for _`Yellow Dog Updater, Modified`_.
+
+`yum` performs dependency resolution when installing, updating, and removing software packages. It can manage packages from installed repositories in the system or from .rpm packages.
+
+### Syntax:
+
+```[linux]
+yum -option command
+```
+
+### Examples:
+
+1. To see an overview of what happened in past transactions:
+
+```[linux]
+yum history
+```
+
+2. To undo a previous transaction:
+
+```[linux]
+yum history undo <id>
+```
+
+3. To install firefox package with 'yes' as a response to all confirmations
+
+```[linux]
+yum -y install firefox
+```
+
+4. To update the mysql package it to the latest stable version
+
+```[linux]
+yum update mysql
+```
+
+### Commonly used commands along with yum:
+
+| **Command**    | **Description**                                   |
+| :------------- | :------------------------------------------------ |
+| `install`      | Installs the specified packages                   |
+| `remove`       | Removes the specified packages                    |
+| `search`       | Searches package metadata for keywords            |
+| `info`         | Lists the description                             |
+| `update`       | Updates each package to the latest version        |
+| `repolist`     | Lists repositories                                |
+| `history`      | Displays what has happened in past transactions   |
+| `groupinstall` | To install a particular package group             |
+| `clean`        | To clean all cached files from enabled repository |
+
+### Additional Flags and their Functionalities:
+
+| **Short Flag**    | **Long Flag**   | **Description**                                                                                                                                                      |
+| :---------------- | :-------------- | :------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| `-C`              | `--cacheonly`   | Runs entirely from system cache, doesn’t update the cache and use it even in case it is expired.                                                                     |
+| <center>-<center> | `--security`    | Includes packages that provide a fix for a security issue. Applicable for the upgrade command.                                                                       |
+| `-y`              | `--assumeyes`   | Automatically answer yes for all questions.                                                                                                                          |
+| <center>-<center> | `--skip-broken` | Resolves depsolve problems by removing packages that are causing problems from the transaction. It is an alias for the strict configuration option with value False. |
+| `-v`              | `--verbose`     | Verbose operation, show debug messages.                                                                                                                              |