diff --git a/shell.py b/shell.py
index ad0a08a..bb213b7 100644
--- a/shell.py
+++ b/shell.py
@@ -110,17 +110,17 @@ def main():
             pclish_help()
         elif inp == "ver":
             pclish_ver()
-        elif inp == "ls":
+        elif inp == "ls ":
             pclish_ls()
-        elif inp == "mkdir":   
+        elif inp == "mkdir ":   
             pclish_mkdir()
         elif inp == "shtdwnsubsys":
             pclish_shtdwnsubsys()
         elif inp == "system":
             pclish_system()
-        elif inp == "echo":
-            pclish_echo(txt)
-        elif inp == "oscmd":
+        elif inp == "echo ":
+            pclish_echo()
+        elif inp == "oscmd ":
             pclish_oscmd()
         else:
             execute_command(inp)