diff --git a/PHP Monitor.xcodeproj/project.pbxproj b/PHP Monitor.xcodeproj/project.pbxproj
index 3e8469f..082bf9d 100644
--- a/PHP Monitor.xcodeproj/project.pbxproj	
+++ b/PHP Monitor.xcodeproj/project.pbxproj	
@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 50;
+	objectVersion = 54;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -63,6 +63,7 @@
 		C40FE738282ABA4F00A302C2 /* AppVersion.swift in Sources */ = {isa = PBXBuildFile; fileRef = C40FE736282ABA4F00A302C2 /* AppVersion.swift */; };
 		C40FE73B282ABB2E00A302C2 /* AppVersionTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = C40FE739282ABB2E00A302C2 /* AppVersionTest.swift */; };
 		C412E5FC25700D5300A1FB67 /* HomebrewPackage.swift in Sources */ = {isa = PBXBuildFile; fileRef = C412E5FB25700D5300A1FB67 /* HomebrewPackage.swift */; };
+		C413E43528DA3EB100AE33C7 /* ShellTest.swift in Sources */ = {isa = PBXBuildFile; fileRef = C413E43428DA3EB100AE33C7 /* ShellTest.swift */; };
 		C415937F27A1B54F00D2E1B7 /* PhpFrameworks.swift in Sources */ = {isa = PBXBuildFile; fileRef = C415937E27A1B54F00D2E1B7 /* PhpFrameworks.swift */; };
 		C415938027A1B54F00D2E1B7 /* PhpFrameworks.swift in Sources */ = {isa = PBXBuildFile; fileRef = C415937E27A1B54F00D2E1B7 /* PhpFrameworks.swift */; };
 		C415D3B72770F294005EF286 /* Actions.swift in Sources */ = {isa = PBXBuildFile; fileRef = C415D3B62770F294005EF286 /* Actions.swift */; };
@@ -357,6 +358,7 @@
 		C40FE736282ABA4F00A302C2 /* AppVersion.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppVersion.swift; sourceTree = "<group>"; };
 		C40FE739282ABB2E00A302C2 /* AppVersionTest.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppVersionTest.swift; sourceTree = "<group>"; };
 		C412E5FB25700D5300A1FB67 /* HomebrewPackage.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HomebrewPackage.swift; sourceTree = "<group>"; };
+		C413E43428DA3EB100AE33C7 /* ShellTest.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShellTest.swift; sourceTree = "<group>"; };
 		C415937E27A1B54F00D2E1B7 /* PhpFrameworks.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PhpFrameworks.swift; sourceTree = "<group>"; };
 		C415D3B62770F294005EF286 /* Actions.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Actions.swift; sourceTree = "<group>"; };
 		C415D3E72770F692005EF286 /* AppDelegate+InterApp.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "AppDelegate+InterApp.swift"; sourceTree = "<group>"; };
@@ -655,6 +657,14 @@
 			path = Core;
 			sourceTree = "<group>";
 		};
+		C413E43328DA3E8F00AE33C7 /* Concord */ = {
+			isa = PBXGroup;
+			children = (
+				C413E43428DA3EB100AE33C7 /* ShellTest.swift */,
+			);
+			path = Concord;
+			sourceTree = "<group>";
+		};
 		C41C1B2A22B0097F00E7CF16 = {
 			isa = PBXGroup;
 			children = (
@@ -1140,6 +1150,7 @@
 		C4F7807A25D7F84B000DBC97 /* phpmon-tests */ = {
 			isa = PBXGroup;
 			children = (
+				C413E43328DA3E8F00AE33C7 /* Concord */,
 				C4F7807D25D7F84B000DBC97 /* Info.plist */,
 				C43A8A1925D9CD1000591B77 /* Utility.swift */,
 				C40C7F1C27720E1400DDDCDC /* Test Files */,
@@ -1290,6 +1301,7 @@
 /* Begin PBXShellScriptBuildPhase section */
 		C4F5FBCB28216985001065C5 /* Run `swiftlint` */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
@@ -1460,6 +1472,7 @@
 				C41CA5EE2774F8EE00A2C80E /* DomainListVC+Actions.swift in Sources */,
 				C4FACE81288F1C0D00FC478F /* PreferencesWindowController+Hotkey.swift in Sources */,
 				54D9E0B727E4F51E003B9AD9 /* HotKey.swift in Sources */,
+				C413E43528DA3EB100AE33C7 /* ShellTest.swift in Sources */,
 				C4205A7F27F4D21800191A39 /* ValetProxy.swift in Sources */,
 				C42F26742805B4B400938AC7 /* DomainListable.swift in Sources */,
 				C4F780C425D80B75000DBC97 /* MainMenu.swift in Sources */,
diff --git a/phpmon-tests/Concord/ShellTest.swift b/phpmon-tests/Concord/ShellTest.swift
new file mode 100644
index 0000000..6467068
--- /dev/null
+++ b/phpmon-tests/Concord/ShellTest.swift
@@ -0,0 +1,32 @@
+//
+//  ShellTest.swift
+//  phpmon-tests
+//
+//  Created by Nico Verbruggen on 20/09/2022.
+//  Copyright © 2022 Nico Verbruggen. All rights reserved.
+//
+
+import XCTest
+
+class ShellTest: XCTestCase {
+    func test_default_shell_is_system_shell() {
+        XCTAssertTrue(NewShell.shared is SystemShell)
+
+        XCTAssertTrue(NewShell.shared.syncPipe("php -v")
+            .contains("Copyright (c) The PHP Group"))
+
+        let expectedPhpOutput = """
+                PHP 8.1.10 (cli) (built: Sep  3 2022 12:09:27) (NTS)
+                Copyright (c) The PHP Group
+                Zend Engine v4.1.10, Copyright (c) Zend Technologies
+                with Zend OPcache v8.1.10, Copyright (c), by Zend Technologies
+                with Xdebug v3.1.4, Copyright (c) 2002-2022, by Derick Rethans
+            """
+
+        NewShell.useTestable([
+            "php -v": expectedPhpOutput
+        ])
+
+        XCTAssertEqual(expectedPhpOutput, NewShell.shared.syncPipe("php -v"))
+    }
+}
diff --git a/phpmon/Common/Core/NewShell.swift b/phpmon/Common/Core/NewShell.swift
index 2c7d69c..5ee43ea 100644
--- a/phpmon/Common/Core/NewShell.swift
+++ b/phpmon/Common/Core/NewShell.swift
@@ -9,20 +9,64 @@
 import Foundation
 
 class NewShell {
-    static var shared: Shellable!
+    static var shared: Shellable = SystemShell()
 
-    public func useTestable(_ expectations: [String: String]) {
+    /// Uses a testable shell with predefined responses. You specify the terminal's output.
+    public static func useTestable(_ expectations: [String: String]) {
         Self.shared = TestableShell(expectations: expectations)
     }
+
+    /// Reverts back to the system shell. You do not need to call this, only after using `useTestable()`.
+    public static func useSystem() {
+        Self.shared = SystemShell()
+    }
 }
 
 protocol Shellable {
-    func pipe(_ command: String) -> String
+    func syncPipe(_ command: String) -> String
+    func pipe(_ command: String) async -> String
 }
 
 class SystemShell: Shellable {
-    func pipe(_ command: String) -> String {
-        return "shell output"
+    public var launchPath: String = "/bin/sh"
+
+    public var exports: String = ""
+
+    private func getShellProcess(for command: String) -> Process {
+        var completeCommand = ""
+
+        // Basic export (PATH)
+        completeCommand += "export PATH=\(Paths.binPath):$PATH && "
+
+        // Put additional exports in between
+        if !self.exports.isEmpty {
+            completeCommand += "\(self.exports) && "
+        }
+
+        completeCommand += command
+
+        let task = Process()
+        task.launchPath = self.launchPath
+        task.arguments = ["--noprofile", "-norc", "--login", "-c", completeCommand]
+        return task
+    }
+
+    func syncPipe(_ command: String) -> String {
+        let task = getShellProcess(for: command)
+        let pipe = Pipe()
+
+        task.standardOutput = pipe
+        task.launch()
+
+        return String(
+            data: pipe.fileHandleForReading.readDataToEndOfFile(),
+            encoding: .utf8
+        ) ?? ""
+    }
+
+    func pipe(_ command: String) async -> String {
+        // TODO
+        return ""
     }
 }
 
@@ -33,7 +77,11 @@ class TestableShell: Shellable {
 
     var expectations: [String: String] = [:]
 
-    func pipe(_ command: String) -> String {
+    func pipe(_ command: String) async -> String {
+        return expectations[command] ?? ""
+    }
+
+    func syncPipe(_ command: String) -> String {
         return expectations[command] ?? ""
     }
 }