doc(shell script install)

- #2
- #14
- #2

README.md

@@ -15,6 +15,65 @@ After downloading, get the lastest help usage typing :
 java -jar j7zip.jar -h
 ```
 
+# 🤓 Linux shell install script
+
+Below are resources to help install `j7zip` on any Linux distro.
+
+## ☕ Java runtime (`sdkman!` install)
+
+Java 8 is a prerequisite, here is the script to install it properly:
+
+```
+sudo apt-get install zip
+curl -s "https://get.sdkman.io" | bash
+source "$HOME/.sdkman/bin/sdkman-init.sh"
+sdk install java 8.0.302-open
+java -version
+clear
+```
+
+
+## 📜 Shell Install script
+
+
+```
+# Set up the target version
+export J7ZIP_VERSION=v1.0.0
+
+# !!! DO NOT CHANGE ANYTHING BELOW THIS LINE !!!
+curl -LO https://github.com/opt-nc/j7zip/releases/download/$J7ZIP_VERSION/j7zip.jar
+file j7zip.jar
+sudo mkdir /opt/j7zip
+sudo cp j7zip.jar /opt/j7zip/j7zip.jar
+
+cat <<EOF >j7zip.sh
+#!/bin/sh
+java -jar /opt/j7zip/j7zip.jar "\$@"
+EOF
+
+sudo cp j7zip.sh /opt/j7zip
+sudo chmod +x /opt/j7zip/j7zip.sh
+sudo ln -s /opt/j7zip/j7zip.sh /usr/bin/j7zip
+
+# clean up the mess
+rm j7zip*
+clear
+```
+
+
+## 🚀 Ready to Use `j7zip`
+
+```
+# Get the current version
+j7zip -V
+
+# Get some help
+j7zip -h
+```
+
 # 🙏 Credits
 
-This tool is based on [Apache commons-compress](https://commons.apache.org/proper/commons-compress/) and [xz](https://tukaani.org/xz/java.html)
+This tool is based on:
+
+- [Apache commons-compress](https://commons.apache.org/proper/commons-compress/)
+- [xz](https://tukaani.org/xz/java.html)