diff --git a/src/commands/add.ts b/src/commands/add.ts
index 8917947..85ada10 100644
--- a/src/commands/add.ts
+++ b/src/commands/add.ts
@@ -1,8 +1,10 @@
 import * as vscode from "vscode"
 import { tf } from "../tfs/tfExe"
+import * as os from "os"
 
 export async function add(uri: vscode.Uri): Promise<void> {
-  const task = tf(["add", uri.fsPath, "/recursive"])
+  const prefix = os.platform() === "linux" ? "-" : "/" // ’darwin’, ‘freebsd’, ‘linux’, ‘sunos’ , ‘win32’
+  const task = tf(["add", uri.fsPath, `${prefix}recursive`])
 
   vscode.window.setStatusBarMessage("TFS: Adding...", task)
   await task
diff --git a/src/commands/checkin.ts b/src/commands/checkin.ts
index 04d0400..6686b70 100644
--- a/src/commands/checkin.ts
+++ b/src/commands/checkin.ts
@@ -1,8 +1,10 @@
 import * as vscode from "vscode"
 import { tf } from "../tfs/tfExe"
+import * as os from "os"
 
 export async function checkin(uri: vscode.Uri): Promise<void> {
-  const task = tf(["checkin", uri.fsPath, "/recursive"])
+  const prefix = os.platform() === "linux" ? "-" : "/"
+  const task = tf(["checkin", uri.fsPath, `${prefix}recursive`])
 
   vscode.window.setStatusBarMessage("TFS: Checking In...", task)
   const { stdout } = await task
diff --git a/src/commands/checkout.ts b/src/commands/checkout.ts
index 7592595..1f8a2d4 100644
--- a/src/commands/checkout.ts
+++ b/src/commands/checkout.ts
@@ -1,8 +1,10 @@
 import * as vscode from "vscode"
 import { tf } from "../tfs/tfExe"
+import * as os from "os"
 
 export async function checkout(uri: vscode.Uri): Promise<void> {
-  const task = tf(["checkout", uri.fsPath, "/recursive"])
+  const prefix = os.platform() === "linux" ? "-" : "/" // ’darwin’, ‘freebsd’, ‘linux’, ‘sunos’ , ‘win32’
+  const task = tf(["checkout", uri.fsPath, `${prefix}recursive`])
 
   vscode.window.setStatusBarMessage("TFS: Checking...", task)
   await task
diff --git a/src/commands/delete.ts b/src/commands/delete.ts
index 2c17925..dc79b95 100644
--- a/src/commands/delete.ts
+++ b/src/commands/delete.ts
@@ -1,8 +1,10 @@
 import * as vscode from "vscode"
 import { tf } from "../tfs/tfExe"
+import * as os from "os"
 
 export async function del(uri: vscode.Uri): Promise<void> {
-  const task = tf(["delete", uri.fsPath, "/recursive"])
+  const prefix = os.platform() === "linux" ? "-" : "/" // ’darwin’, ‘freebsd’, ‘linux’, ‘sunos’ , ‘win32’
+  const task = tf(["delete", uri.fsPath, `${prefix}recursive`])
 
   vscode.window.setStatusBarMessage("TFS: Deleting...", task)
   await task
diff --git a/src/commands/get.ts b/src/commands/get.ts
index 1bc8625..c552a31 100644
--- a/src/commands/get.ts
+++ b/src/commands/get.ts
@@ -1,8 +1,10 @@
 import * as vscode from "vscode"
 import { tf } from "../tfs/tfExe"
+import * as os from "os"
 
 export async function get(uri: vscode.Uri): Promise<void> {
-  const task = tf(["get", uri.fsPath, "/recursive"])
+  const prefix = os.platform() === "linux" ? "-" : "/" // ’darwin’, ‘freebsd’, ‘linux’, ‘sunos’ , ‘win32’
+  const task = tf(["get", uri.fsPath, `${prefix}recursive`])
 
   vscode.window.setStatusBarMessage("TFS: Getting latest version...", task)
   await task
diff --git a/src/commands/undo.ts b/src/commands/undo.ts
index 1f43e13..84c1b68 100644
--- a/src/commands/undo.ts
+++ b/src/commands/undo.ts
@@ -1,8 +1,10 @@
 import * as vscode from "vscode"
 import { tf } from "../tfs/tfExe"
+import * as os from "os"
 
 export async function undo(uri: vscode.Uri): Promise<void> {
-  const task = tf(["undo", uri.fsPath, "/recursive"])
+  const prefix = os.platform() === "linux" ? "-" : "/" // ’darwin’, ‘freebsd’, ‘linux’, ‘sunos’ , ‘win32’
+  const task = tf(["undo", uri.fsPath, `${prefix}recursive`])
 
   vscode.window.setStatusBarMessage("TFS: Undoing...", task)
   await task