diff --git a/src/bin/Disk.hx b/src/bin/Disk.hx
index f40d0d4..857f033 100644
--- a/src/bin/Disk.hx
+++ b/src/bin/Disk.hx
@@ -1,19 +1,18 @@
 package bin;
 
+import kernel.ps.ProcessHandle;
+import kernel.ps.Process;
 import kernel.peripherals.Peripherals.Peripheral;
-import lib.cli.TermHandle;
-import lib.cli.CLIApp;
 
 using tink.CoreApi;
 using Lambda;
 
-class Disk extends CLIApp {
-
-	private var handle:TermHandle;
+class Disk implements Process {
+	private var handle:ProcessHandle;
 
 	public function new() {}
 
-	public function invoke(handle:TermHandle):Future<Bool> {
+	public function run(handle:ProcessHandle):Void {
 		this.handle = handle;
 		var subcommand = handle.args[0];
 		var driveAddr:Null<String> = handle.args[1];
@@ -27,12 +26,12 @@ class Disk extends CLIApp {
 
 					if (drive.isDiskPresent()){
 						if (drive.hasAudio()){
-							handle.writeLn('${addr} => ${label} [AUDIO]');
+							handle.writeLine('${addr} => ${label} [AUDIO]');
 						}else{
-							handle.writeLn('${addr} => ${label} (${id})');
+							handle.writeLine('${addr} => ${label} (${id})');
 						}
 					}else {
-						handle.writeLn('${addr} => [NO DISK]');
+						handle.writeLine('${addr} => [NO DISK]');
 					}
 
 					return true;
@@ -41,18 +40,15 @@ class Disk extends CLIApp {
 				var drive = Peripheral.instance.getDrive(driveAddr);
 
 				if (drive == null){
-					handle.writeLn("Drive not found: " + driveAddr);
-					return Future.sync(false);
+					handle.writeLine("Drive not found: " + driveAddr);
 				}
 
 				if (!drive.isDiskPresent()){
-					handle.writeLn("No disk in drive: " + driveAddr);
-					return Future.sync(false);
+					handle.writeLine("No disk in drive: " + driveAddr);
 				}
 
 				if (!drive.hasAudio()){
-					handle.writeLn("Disk in drive " + driveAddr + " does not have audio");
-					return Future.sync(false);
+					handle.writeLine("Disk in drive " + driveAddr + " does not have audio");
 				}
 
 				drive.playAudio();
@@ -60,18 +56,15 @@ class Disk extends CLIApp {
 				var drive = Peripheral.instance.getDrive(driveAddr);
 
 				if (drive == null){
-					handle.writeLn("Drive not found: " + driveAddr);
-					return Future.sync(false);
+					handle.writeLine("Drive not found: " + driveAddr);
 				}
 
 				if (!drive.isDiskPresent()){
-					handle.writeLn("No disk in drive: " + driveAddr);
-					return Future.sync(false);
+					handle.writeLine("No disk in drive: " + driveAddr);
 				}
 
 				if (!drive.hasAudio()){
-					handle.writeLn("Disk in drive: " + driveAddr + " does not have audio");
-					return Future.sync(false);
+					handle.writeLine("Disk in drive: " + driveAddr + " does not have audio");
 				}
 
 				drive.stopAudio();
@@ -80,13 +73,11 @@ class Disk extends CLIApp {
 				var drive = Peripheral.instance.getDrive(driveAddr);
 
 				if (drive == null){
-					handle.writeLn("Drive not found: " + driveAddr);
-					return Future.sync(false);
+					handle.writeLine("Drive not found: " + driveAddr);
 				}
 
 				if (!drive.isDiskPresent()){
-					handle.writeLn("No disk in drive: " + driveAddr);
-					return Future.sync(false);
+					handle.writeLine("No disk in drive: " + driveAddr);
 				}
 
 				drive.ejectDisk();
@@ -95,43 +86,39 @@ class Disk extends CLIApp {
 				var label:String = handle.args[2];
 
 				if (drive == null){
-					handle.writeLn("Drive not found: " + driveAddr);
-					return Future.sync(false);
+					handle.writeLine("Drive not found: " + driveAddr);
 				}
 
 				if (!drive.isDiskPresent()){
-					handle.writeLn("No disk in drive: " + driveAddr);
-					return Future.sync(false);
+					handle.writeLine("No disk in drive: " + driveAddr);
 				}
 
 				if (label == null || label == ""){
-					handle.writeLn(drive.getDiskLabel());
+					handle.writeLine(drive.getDiskLabel());
 				}else{
 					var err  = drive.setDiskLabel(label);
 					if (err != null){
-						handle.writeLn("Failed to set lable");
-						return Future.sync(false);
+						handle.writeLine("Failed to set lable");
 					}
 				}
 			case "help":
 			case null:
 				printHelp();
 			default:
-				handle.writeLn("Unknown subcommand: " + subcommand);
+				handle.writeLine("Unknown subcommand: " + subcommand);
 				printHelp();
-				return Future.sync(false);
 		}
 
-		return Future.sync(true);
+		return handle.close(true);
 	}
 
 	private function printHelp() {
-		handle.writeLn("Usage: disk <subcommand> [args]");
-		handle.writeLn("Subcommands:");
-		handle.writeLn("  ls");
-		handle.writeLn("  play <drive>");
-		handle.writeLn("  stop <drive>");
-		handle.writeLn("  eject <drive>");
-		handle.writeLn("  label <drive> [label]");
+		handle.writeLine("Usage: disk <subcommand> [args]");
+		handle.writeLine("Subcommands:");
+		handle.writeLine("  ls");
+		handle.writeLine("  play <drive>");
+		handle.writeLine("  stop <drive>");
+		handle.writeLine("  eject <drive>");
+		handle.writeLine("  label <drive> [label]");
 	}
 }
diff --git a/src/bin/GPS.hx b/src/bin/GPS.hx
index 01bbb19..04beb69 100644
--- a/src/bin/GPS.hx
+++ b/src/bin/GPS.hx
@@ -1,19 +1,19 @@
 package bin;
 
+import kernel.ps.ProcessHandle;
+import kernel.ps.Process;
 import kernel.gps.INS;
 import lib.Pos3;
 import lib.Vec.Vec3;
-import lib.cli.TermHandle;
-import lib.cli.CLIApp;
 
 using tink.CoreApi;
 
-class GPS extends CLIApp {
-	private var handle:TermHandle;
+class GPS implements Process {
+	private var handle:ProcessHandle;
 
 	public function new() {}
 
-	public function invoke(handle: TermHandle):Future<Bool> {
+	public function run(handle: ProcessHandle):Void {
 		this.handle = handle;
 
 		var subcommand = handle.args[0];
@@ -21,30 +21,37 @@ class GPS extends CLIApp {
 
 		switch (subcommand) {
 			case "set":
-				return Future.sync(setManuelPos(subcommand_args));
+				handle.close(setManuelPos(subcommand_args));
 			case "status":
-				return Future.sync(getGPSStatus());
+				handle.close(getGPSStatus());
 			case "locate":
-				kernel.gps.GPS.instance.locate();
-				return Future.sync(true);
+				kernel.gps.GPS.instance.locate().handle((pos)->{
+					if (pos != null) {
+						handle.writeLine('Position x:${pos.x} y:${pos.y} z:${pos.z}');
+						handle.close(true);
+					} else {
+						handle.writeLine("Position not available");
+						handle.close(false);
+					}
+				});
 			case "ins":
-				return INS.instance.align().isSuccess();
+				INS.instance.align().handle(()->{
+					handle.writeLine("INS aligned");
+					handle.close(true);
+				});
 			default:
-				handle.writeLn("Unknown subcommand: " + subcommand);
+				handle.writeLine("Unknown subcommand: " + subcommand);
 				printHelp();
-				return Future.sync(false);
-
+				handle.close(false);
 		}
-
-		return Future.sync(true);
 	}
 
 	private function printHelp(){
-		handle.writeLn("GPS commands:");
-		handle.writeLn("set <x> <y> <z> - set manual position");
-		handle.writeLn("status - get current position and accuracy");
-		handle.writeLn("locate - get current position");
-		handle.writeLn("ins - align INS");
+		handle.writeLine("GPS commands:");
+		handle.writeLine("set <x> <y> <z> - set manual position");
+		handle.writeLine("status - get current position and accuracy");
+		handle.writeLine("locate - get current position");
+		handle.writeLine("ins - align INS");
 	}
 
 	private function setManuelPos(args: Array<String>): Bool {
@@ -63,26 +70,26 @@ class GPS extends CLIApp {
 
 		var pos = kernel.gps.GPS.instance.getPosition();
 		if (pos != null) {
-			handle.writeLn('Position x:${pos.x} y:${pos.y} z:${pos.z}');
+			handle.writeLine('Position x:${pos.x} y:${pos.y} z:${pos.z}');
 		} else {
-			handle.writeLn("Position not available");
+			handle.writeLine("Position not available");
 			return true;
 		}
 
 		var acc = kernel.gps.GPS.instance.getAccuracy();
 		if (acc == 1){
-			handle.writeLn("Accuracy: Low");
+			handle.writeLine("Accuracy: Low");
 		} else if (acc == 2){
-			handle.writeLn("Accuracy: Medium");
+			handle.writeLine("Accuracy: Medium");
 		} else if (acc == 3){
-			handle.writeLn("Accuracy: High");
+			handle.writeLine("Accuracy: High");
 		}
 
 		var ins = INS.instance.getHeading();
 		if (ins != null) {
-			handle.writeLn('INS heading: ${ins.x} y:${ins.y} z:${ins.z}');
+			handle.writeLine('INS heading: ${ins.x} y:${ins.y} z:${ins.z}');
 		} else {
-			handle.writeLn("INS heading not available");
+			handle.writeLine("INS heading not available");
 		}
 
 		return true;
diff --git a/src/bin/HelloWorld.hx b/src/bin/HelloWorld.hx
index 2be0165..7a139f2 100644
--- a/src/bin/HelloWorld.hx
+++ b/src/bin/HelloWorld.hx
@@ -1,21 +1,16 @@
 package bin;
 
-import lib.cli.TermHandle;
-import lib.cli.CLIApp;
+import kernel.ps.ProcessHandle;
+import kernel.ps.Process;
 
 using tink.CoreApi;
 
-class HelloWorld extends CLIApp {
+class HelloWorld implements Process {
 
 	public function new() {}
 
-	public function invoke(handle: TermHandle):Future<Bool> {
-		var world:String = "world";
-		if (handle.args.length > 0) {
-			world = handle.args[0];
-		}
-
-		handle.write('Hello, $world!');
-		return Future.sync(true);
+	public function run(handle:ProcessHandle) {
+		handle.write("Hello World!");
+		handle.close();
 	}
 }
diff --git a/src/bin/Net.hx b/src/bin/Net.hx
index a5a2ec4..0026948 100644
--- a/src/bin/Net.hx
+++ b/src/bin/Net.hx
@@ -1,19 +1,19 @@
 package bin;
 
+import kernel.ps.ProcessHandle;
+import kernel.ps.Process;
 import kernel.peripherals.Peripherals.Peripheral;
 import kernel.net.Routing;
 import haxe.ds.ReadOnlyArray;
-import lib.cli.TermHandle;
-import lib.cli.CLIApp;
 
 using tink.CoreApi;
 
-class Net extends CLIApp {
-	private var handle:TermHandle;
+class Net implements Process {
+	private var handle:ProcessHandle;
 
 	public function new() {}
 
-	public function invoke(handle:TermHandle):Future<Bool> {
+	public function run(handle:ProcessHandle):Void {
 		this.handle = handle;
 
 		var subcommand = handle.args[0];
@@ -21,86 +21,82 @@ class Net extends CLIApp {
 
 		switch (subcommand) {
 			case "route":
-				return Future.sync(route(subcommand_args));
+				route(subcommand_args);
+				return handle.close();
 			case "iface":
-				return  Future.sync(iface(subcommand_args));
+				iface(subcommand_args);
+				return handle.close();
 			case "help":
 				printHelp();
-				return Future.sync(true);
+				return handle.close();
 			case "ping":
-				return ping(subcommand_args);
+				ping(subcommand_args);
+				// Closes itself
 			case "proto":
-				return Future.sync(protos());
+				protos();
+				return handle.close();
 			default:
-				handle.writeLn("Unknown subcommand: " + subcommand);
+				handle.write("Unknown subcommand: " + subcommand);
 				printHelp();
-				return Future.sync(false);
+				return handle.close(false);
 		}
 	}
 
 	private function printHelp() {
-		handle.writeLn("net route");
-		handle.writeLn("net iface");
-		handle.writeLn("net help");
-		handle.writeLn("net proto");
+		handle.write("net route");
+		handle.write("net iface");
+		handle.write("net help");
+		handle.write("net proto");
 	}
 
-	private function route(args:ReadOnlyArray<String>):Bool {
+	private function route(args:ReadOnlyArray<String>):Void {
 		var routes = Routing.instance.getRouteTable();
 
 		for(k => v in routes) {
-			handle.writeLn('${k} => ${v.interf.name()}(${v.cost})');
+			handle.write('${k} => ${v.interf.name()}(${v.cost})');
 		}
-
-		return true;
 	}
 
 	private function iface(args:ReadOnlyArray<String>):Bool {
 		var modems = Peripheral.instance.getModems();
 
 		for (modem in modems) {
-			handle.writeLn(modem.name());
+			handle.write(modem.name());
 		}
 
 		return true;
 	}
 
-	function ping(args:ReadOnlyArray<String>): Future<Bool> {
-		return new Future<Bool>(trigger -> {
-			if (args.length != 1) {
-				handle.writeLn("Usage: net ping id");
-				trigger(false);
-				return null;
+	function ping(args:ReadOnlyArray<String>): Void {
+		if (args.length != 1) {
+			handle.write("Usage: net ping id");
+			return handle.close(false);
+		}
+
+		var toID:Null<Int> = Std.parseInt(args[0]);
+
+		if (toID == null) {
+			handle.write("Invalid ID");
+			return handle.close(false);
+		}
+
+		kernel.net.Net.instance.ping(toID).handle(result -> {
+			switch (result){
+				case Success(_):
+					handle.write("Ping succeeded");
+					return handle.close();
+				case Failure(failure):
+					handle.write("Ping failed: " + failure);
+					return handle.close(false);
 			}
-
-			var toID:Null<Int> = Std.parseInt(args[0]);
-
-			if (toID == null) {
-				handle.writeLn("Invalid ID");
-				trigger(false);
-				return null;
-			}
-
-			kernel.net.Net.instance.ping(toID).handle(result -> {
-				switch (result){
-					case Success(_):
-						handle.writeLn("Ping succeeded");
-						trigger(true);
-					case Failure(failure):
-						handle.writeLn("Ping failed: " + failure);
-						trigger(false);
-				}
-			});
 		});
 	}
 
-	function protos():Bool {
+	function protos():Void {
 		var protos = kernel.net.Net.instance.getActiveProtocols();
 
 		for (proto in protos) {
-			handle.writeLn(proto);
+			handle.write(proto);
 		}
-
-		return true;
 	}
 }
diff --git a/src/bin/Redstone.hx b/src/bin/Redstone.hx
index 8c620dc..a269341 100644
--- a/src/bin/Redstone.hx
+++ b/src/bin/Redstone.hx
@@ -1,27 +1,27 @@
 package bin;
 
+import kernel.ps.ProcessHandle;
+import kernel.ps.Process;
 import kernel.peripherals.Peripherals.Peripheral;
 import kernel.peripherals.Side;
-import lib.cli.TermHandle;
-import lib.cli.CLIApp;
 
 using tink.CoreApi;
 
-class Redstone extends CLIApp {
+class Redstone implements Process {
 	public function new() {}
 
-	public function invoke(handle:TermHandle):Future<Bool> {
+	public function run(handle: ProcessHandle):Void {
 		var subcommand = handle.args[0];
 
 		if (subcommand == null) {
-			handle.writeLn("Usage: redstone <on|off|get> <side>");
-			return Future.sync(false);
+			handle.write("Usage: redstone <on|off|get> <side>");
+			return handle.close(false);
 		}
 
 		var side:Null<Side> = handle.args[1];
 		if (side == null) {
-			handle.writeLn("Invalid side");
-			return Future.sync(false);
+			handle.write("Invalid side");
+			return handle.close(false);
 		}
 
 		switch (subcommand) {
@@ -31,14 +31,14 @@ class Redstone extends CLIApp {
 				Peripheral.instance.getRedstone(side).setOutput(false);
 			case "get":
 				var value = Peripheral.instance.getRedstone(side).getAnalogInput();
-				handle.writeLn("Analog input: " + value);
+				handle.write("Analog input: " + value);
 			case "help":
-				handle.writeLn("Usage: redstone <on|off|get> <side>");
+				handle.write("Usage: redstone <on|off|get> <side>");
 			default:
-				handle.writeLn("Invalid subcommand");
-				return Future.sync(false);
+				handle.write("Invalid subcommand");
+				return handle.close(false);
 		}
 
-		return Future.sync(true);
+		return handle.close();
 	}
 }
diff --git a/src/bin/Terminal.hx b/src/bin/Terminal.hx
index b7b3f1e..a221793 100644
--- a/src/bin/Terminal.hx
+++ b/src/bin/Terminal.hx
@@ -1,8 +1,9 @@
 package bin;
 
+import kernel.ps.Process;
+import kernel.ps.ProcessManager;
+import kernel.ps.ProcessHandle;
 import lib.ui.UIApp;
-import lib.cli.TermHandle;
-import lib.cli.CLIApp;
 import lib.Color;
 import kernel.ui.WindowContext;
 import kernel.ui.WindowManager;
@@ -99,7 +100,17 @@ class Terminal extends UIApp {
 
 		var commandArgs:Array<String> = args.slice(1);
 		var hadInput = false;
-		var handle = new TermHandle(commandArgs, {
+
+		var ps = getProgByName(commandName);
+		if (ps == null) {
+			this.backlog.push("Unknown command: " + commandName);
+			this.redrawBacklog();
+			this.redrawInput();
+			return;
+		}
+
+		ProcessManager.run(ps,{
+			args: commandArgs,
 			onWrite: (s:String) -> {
 				if (!hadInput) {
 					this.backlog.push("");
@@ -108,30 +119,16 @@ class Terminal extends UIApp {
 				this.backlog[this.backlog.length - 1] += s;
 				this.redrawBacklog();
 			},
-			onNewLine: () -> {
-				this.backlog.push("");
-				this.redrawBacklog();
+			onExit: (success:Bool) -> {
+				if (this.backlog[this.backlog.length - 1] == "") {
+					this.backlog.pop();
+				}
+
+				this.redrawInput();
 			}
 		});
 
-		var prog:CLIApp = getProgByName(commandName);
-
-		if (prog == null) {
-			this.backlog.push("Command not found: " + commandName);
-			this.redrawBacklog();
-			return;
-		}
-
 		this.context.setCursorBlink(false);
-
-		prog.invoke(handle).handle((exitCode) -> {
-			// Cleanup extra newline
-			if (this.backlog[this.backlog.length - 1] == "") {
-				this.backlog.pop();
-			}
-
-			this.redrawInput();
-		});
 	}
 
 	private function parseArgs(command:String):Array<String> {
@@ -144,7 +141,7 @@ class Terminal extends UIApp {
 		this.redrawBacklog();
 	}
 
-	private function getProgByName(name:String):CLIApp {
+	private function getProgByName(name:String):Process {
 		switch (name) {
 			case "hello":
 				return new HelloWorld();
diff --git a/src/lib/cli/CLIApp.hx b/src/lib/cli/CLIApp.hx
deleted file mode 100644
index 7cb2950..0000000
--- a/src/lib/cli/CLIApp.hx
+++ /dev/null
@@ -1,7 +0,0 @@
-package lib.cli;
-
-using tink.CoreApi;
-
-abstract class CLIApp {
-	public abstract function invoke(handle: TermHandle): Future<Bool>;
-}
diff --git a/src/lib/cli/TermHandle.hx b/src/lib/cli/TermHandle.hx
deleted file mode 100644
index d6c1397..0000000
--- a/src/lib/cli/TermHandle.hx
+++ /dev/null
@@ -1,29 +0,0 @@
-package lib.cli;
-
-import haxe.ds.ReadOnlyArray;
-
-typedef TermHandleEvents = {
-	onWrite: String->Void,
-	onNewLine: Void->Void,
-}
-
-class TermHandle {
-	public final args:ReadOnlyArray<String>;
-	private final events:TermHandleEvents;
-
-	@:allow(bin.Terminal)
-	private function new(args: Array<String>, events: TermHandleEvents) {
-		this.args = args;
-		this.events = events;
-	}
-
-	public function write(s:String) {
-		this.events.onWrite(s);
-	}
-
-	public function writeLn(s:String = "") {
-		if (s != "")
-			this.events.onWrite(s);
-		this.events.onNewLine();
-	}
-}