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Added Markdown file for Day-46 of 90daysofDevOps.

Author: AditModi

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+# **AWS Systems Manager**
+
+AWS Systems Manager is a powerful, fully managed service that simplifies operational tasks for AWS and on-premises resources. This centralized platform empowers DevOps professionals to automate operational processes, maintain compliance, and reduce operational costs effectively.
+
+![image](https://github.com/AditModi/90DaysOfDevOps/assets/48589838/cbb2acaf-fa66-4c75-883d-e980c951e90c)
+
+
+## **Key Features of AWS Systems Manager**
+
+- Automation: Automate tasks like patch management, OS and application deployments, AMI creation, and more.
+- Configuration Management: Utilize tools such as run commands, state manager, inventory, and maintenance windows to configure and manage instances.
+- Unified Operational Data: Gain a comprehensive view of operational data across your entire infrastructure, including EC2 instances, on-premises servers, and AWS services. This unified view enhances issue identification, speeds up problem resolution, and minimizes downtime.
+
+## **Getting Started with AWS Systems Manager**
+
+![image](https://github.com/AditModi/90DaysOfDevOps/assets/48589838/202dd720-a360-40f5-a5cc-95e18c2e043f)
+
+### **Step 1: Navigate to the AWS Systems Manager Console**
+
+- AWS Account: Ensure you have an AWS account.
+- Create Instances: Set up two Windows servers and two Linux servers (utilizing the free tier).
+- Access the Console: Navigate to the AWS Systems Manager console and click the "Get Started" button, selecting your preferred region (e.g., us-east-1).
+
+### **Step 2: Choose a Configuration Type**
+
+- Configuration Setup: Configure AWS Systems Manager based on your needs. Options include quick setup common tasks or creating a custom setup.
+- Example: Patch Manager: In this scenario, we'll choose "Patch Manager." Explore additional scenarios in the resources provided below.
+
+### **Step 3: Specify Configuration Options**
+
+- Parameter Selection: Each configuration type has unique parameters. Follow the instructions based on your chosen setup.
+- Resource Group Creation: Create a resource group to organize and manage your resources efficiently.
+
+### **Step 4: Deploy, Review, and Manage Your Resources**
+
+- Resource Management: Once the resource group is created, you can manage resources seamlessly from the AWS Systems Manager console.
+- Automation Workflows: Create automation workflows, run patch management, and perform various operations on your resources.
+
+## **Additional Resources**
+
+- [AWS Systems Manager Introduction](https://aws.amazon.com/systems-manager/)
+- [Patch and Manage Your AWS Instances in Minutes with AWS Systems Manager from LearnCantrill](https://www.youtube.com/watch?v=B2MecqC5nJA)
+- [Getting Started with AWS Systems Manager](https://console.aws.amazon.com/systems-manager/home)