✨ Added system commands

src/main/kotlin/Main.kt

@@ -2,6 +2,8 @@ import api.printConsoleError
 import commands.about
 import commands.help
 import java.net.InetAddress
+import java.io.BufferedReader
+import java.io.InputStreamReader
 
 var version = "v3.0.0.1.od"
 var username = System.getProperty("user.name")
@@ -16,10 +18,24 @@ fun main() {
         var input = readln()
 
         when (input) {
-            "help"     -> help(version)
-            "exit"     -> break
+            "fs help"  -> help(version)
+            "fs exit"  -> break
             "fs about" -> about(version)
-            else       -> printConsoleError("FS01", input)
+            else       -> executeCommand(input)
         }
     }
 }
+
+private fun executeCommand(command: String) {
+    val process = Runtime.getRuntime().exec(command)
+    val reader = BufferedReader(InputStreamReader(process.inputStream))
+    var line: String?
+
+    while (reader.readLine().also { line = it } != null) {
+        println(line)
+    }
+
+    if (process.waitFor() != 0) {
+        api.printConsoleError("FS01", command)
+    }
+}