Update README

update readme and add more thinks of linux.

README

@@ -1,6 +1,4 @@
-Linux kernel
-============
-
+# Linux Kernel
 There are several guides for kernel developers and users. These guides can
 be rendered in a number of formats, like HTML and PDF. Please read
 Documentation/admin-guide/README.rst first.
@@ -9,6 +7,8 @@ In order to build the documentation, use ``make htmldocs`` or
 ``make pdfdocs``.  The formatted documentation can also be read online at:
 
     https://www.kernel.org/doc/html/latest/
+![](Documentation/images/linux_img.png)
+
 
 There are various text files in the Documentation/ subdirectory,
 several of them using the reStructuredText markup notation.
@@ -16,3 +16,47 @@ several of them using the reStructuredText markup notation.
 Please read the Documentation/process/changes.rst file, as it contains the
 requirements for building and running the kernel, and information about
 the problems which may result by upgrading your kernel.
+## 📚  Guides and Documentation
+Explore the [`Documentation/`](https://docs.kernel.org/) subdirectory for detailed guides and documentation formatted in reStructuredText.
+
+Before building or running the kernel, review [`Documentation/process/changes.rst`](Documentation/process/changes.rst) for prerequisites and upgrade information.
+
+## ⚙️ Customization
+Customize the Linux kernel using configuration options for features, drivers, and subsystems to meet specific hardware or application requirements.
+
+### Benefits
+- Optimization for specific hardware
+- Reduced kernel image size
+- Enhanced security by enabling/disabling features
+
+## 🌍 Open Source
+The Linux kernel is open-source under the GNU GPL, fostering a diverse community of contributors and enabling innovation and flexibility.
+
+### Features
+- Transparent development process
+- Extensive community support and documentation
+- Customization for various use cases and hardware platforms
+
+## 🔒 Security
+The Linux kernel includes robust security features such as access control, memory protection, and support for advanced security modules.
+
+### Benefits
+- Address Space Layout Randomization (ASLR)
+- Support for Security-Enhanced Linux (SELinux) and AppArmor
+- Regular security audits and patch management
+
+## 📅 Long-Term Support (LTS)
+LTS versions of the Linux kernel receive updates and security patches for approximately two years, providing reliability and stability for long-term deployments.
+
+### Benefits
+- Stability prioritized over new features
+- Extended support for critical infrastructure and business applications
+- Smooth upgrade process and community support
+
+## 🚗 Driver Support
+The Linux kernel provides in-kernel drivers for a wide range of hardware components and supports third-party drivers for broader hardware compatibility.
+
+### Benefits
+- Comprehensive hardware support
+- Plug-and-play functionality
+- Stable API for driver development