diff --git a/Interlace/interlace.py b/Interlace/interlace.py
index 0303911..0ac57e2 100644
--- a/Interlace/interlace.py
+++ b/Interlace/interlace.py
@@ -36,6 +36,7 @@ def main():
         arguments.timeout,
         output,
         arguments.sober,
+        silent=arguments.silent,
     )
     pool.run()
 
diff --git a/Interlace/lib/core/input.py b/Interlace/lib/core/input.py
index 76cae1a..68e6eea 100644
--- a/Interlace/lib/core/input.py
+++ b/Interlace/lib/core/input.py
@@ -61,7 +61,7 @@ class InputHelper(object):
         return [port_type]
 
     @staticmethod
-    def _pre_process_commands(command_list, task_name=None, is_global_task=True):
+    def _pre_process_commands(command_list, task_name=None, is_global_task=True, silent=False):
         """
         :param command_list:
         :param task_name: all tasks have 'scope' and all scopes have unique names, global scope defaults None
@@ -85,7 +85,7 @@ class InputHelper(object):
                 if task_name and task_name == new_task_name:
                     return task_block
                 # otherwise pre-process all the commands in this new `new_task_name` block
-                tasks = InputHelper._pre_process_commands(command_list, new_task_name, False)
+                tasks = InputHelper._pre_process_commands(command_list, new_task_name, False, silent)
                 if blocker:
                     for task in tasks:
                         task.wait_for(task_block)
@@ -99,7 +99,7 @@ class InputHelper(object):
                 if command == '_blocker_':
                     blocker = sibling
                     continue
-                task = Task(command)
+                task = Task(command, silent)
                 # if we're in the global scope and there was a previous _blocker_ encountered, we wait for the last
                 # child of the block
                 if is_global_task and blocker:
@@ -270,9 +270,9 @@ class InputHelper(object):
 
         tasks = list()
         if arguments.command:
-            tasks.append(Task(arguments.command.rstrip('\n')))
+            tasks.append(Task(arguments.command.rstrip('\n'), arguments.silent))
         else:
-            tasks = InputHelper._pre_process_commands(arguments.command_list)
+            tasks = InputHelper._pre_process_commands(arguments.command_list, silent=arguments.silent)
 
         if arguments.proto:
             protocols = arguments.proto.split(",")
diff --git a/Interlace/lib/threader.py b/Interlace/lib/threader.py
index 3ab1d2d..dc7fbbd 100644
--- a/Interlace/lib/threader.py
+++ b/Interlace/lib/threader.py
@@ -12,10 +12,11 @@ else:
     shell = None
 
 class Task(object):
-    def __init__(self, command):
+    def __init__(self, command, silent=False):
         self.task = command
         self.self_lock = None
         self.sibling_locks = []
+        self.silent = silent
 
     def __cmp__(self, other):
         return self.name() == other.name()
@@ -24,7 +25,7 @@ class Task(object):
         return self.task.__hash__()
 
     def clone(self):
-        new_task = Task(self.task)
+        new_task = Task(self.task, self.silent)
         new_task.self_lock = self.self_lock
         new_task.sibling_locks = self.sibling_locks
         return new_task
@@ -53,11 +54,20 @@ class Task(object):
         return self.self_lock
 
     def _run_task(self, t=False):
-        s = subprocess.Popen(self.task, shell=True,
-                             stdout=subprocess.PIPE,
-                             encoding="utf-8",
-                             executable=shell)
-        out, _ = s.communicate()
+        if self.silent:
+            s = subprocess.Popen(self.task, shell=True,
+                                 stdout=subprocess.DEVNULL,
+                                 encoding="utf-8",
+                                 executable=shell)
+            out, _ = s.communicate()
+
+            return
+        else:
+            s = subprocess.Popen(self.task, shell=True,
+                                 stdout=subprocess.PIPE,
+                                 encoding="utf-8",
+                                 executable=shell)
+            out, _ = s.communicate()
 
         if out != "":
             if t:
@@ -89,7 +99,7 @@ class Worker(object):
 
 
 class Pool(object):
-    def __init__(self, max_workers, task_queue, timeout, output, progress_bar):
+    def __init__(self, max_workers, task_queue, timeout, output, progress_bar, silent=False):
 
         # convert stdin input to integer
         max_workers = int(max_workers)
@@ -109,7 +119,7 @@ class Pool(object):
         self.output = output
         self.max_workers = min(tasks_count, max_workers)
 
-        if not progress_bar:
+        if not progress_bar and not silent:
             self.tqdm = tqdm(total=tasks_count)
         else:
             self.tqdm = True