Update README.md

README.md

@@ -1,3 +1,51 @@
----
-license: cc-by-nc-4.0
----
+---
+license: cc-by-nc-4.0
+---
+# Extracting Split 7z Archives on Linux
+
+This guide explains how to extract a split `.7z` archive (e.g., `STAR.tar.7z.001`, `STAR.tar.7z.002`, ...) on Linux.
+
+## Prerequisites
+
+Make sure `p7zip` is installed on your system. You can install it using one of the following commands based on your distribution:
+
+- For **Ubuntu/Debian**:
+    ```bash
+    sudo apt update && sudo apt install p7zip-full
+    ```
+- For **CentOS/RHEL**:
+    ```bash
+    sudo yum install p7zip p7zip-plugins
+    ```
+- For **Arch Linux**:
+    ```bash
+    sudo pacman -S p7zip
+    ```
+
+## Steps to Extract
+
+1. **Navigate to the directory** where your split `.7z` files are located:
+    ```bash
+    cd /path/to/your/files
+    ```
+
+2. **Extract the `.7z` archive**:
+    To extract the archive, run:
+    ```bash
+    7z x STAR.tar.7z.001
+    ```
+    > **Note:** You don't need to extract `.002`, `.003`, etc. separately. Starting with `.001`, `7z` will automatically handle the rest of the parts.
+
+3. **Extract the resulting `.tar` file**:
+    After extracting the `.7z` files, you'll have a `STAR.tar` file. To extract it, run:
+    ```bash
+    tar -xvf STAR.tar
+    ```
+
+Now, your original files should be restored!
+
+## Troubleshooting
+
+- If you encounter issues, ensure all parts of the `.7z` archive are in the same directory and correctly named (`STAR.tar.7z.001`, `STAR.tar.7z.002`, etc.).
+- If `p7zip` is not installed or not working, try reinstalling it or using a different version of the tool.
+