diff --git a/scripts/TouchinBuild/CommandBuilders/ShCommandBuilder.py b/scripts/TouchinBuild/CommandBuilders/ShCommandBuilder.py
index b555582..bbe4cfd 100644
--- a/scripts/TouchinBuild/CommandBuilders/ShCommandBuilder.py
+++ b/scripts/TouchinBuild/CommandBuilders/ShCommandBuilder.py
@@ -1,4 +1,4 @@
-from commands.ShCommand import ShCommand
+from commands.ShTextCommand import ShTextCommand
 from parsers.ShParser import ShParser
 
 
@@ -19,5 +19,5 @@ class ShCommandBuilder:
 
 		cmdText = parser.parseLine(line)
 
-		command = ShCommand(cmdText)
+		command = ShTextCommand(cmdText)
 		return command
diff --git a/scripts/TouchinBuild/Core/LineConveyor/PreprocessorBase.py b/scripts/TouchinBuild/Core/LineConveyor/PreprocessorBase.py
index 2a18eda..d07e2fb 100644
--- a/scripts/TouchinBuild/Core/LineConveyor/PreprocessorBase.py
+++ b/scripts/TouchinBuild/Core/LineConveyor/PreprocessorBase.py
@@ -1,7 +1,7 @@
 import abc
 
 
-class PreprocessorBase:
+class PreprocessorBase(object):
 	__metaclass__ = abc.ABCMeta
 
 	def __init__(self):
diff --git a/scripts/TouchinBuild/Tests/ManualTests/run_sh_command.py b/scripts/TouchinBuild/Tests/ManualTests/run_sh_command.py
index 8b633ff..d32bc5a 100644
--- a/scripts/TouchinBuild/Tests/ManualTests/run_sh_command.py
+++ b/scripts/TouchinBuild/Tests/ManualTests/run_sh_command.py
@@ -1,7 +1,7 @@
-from commands.ShCommand import ShCommand
+from commands.ShCommand import ShTextCommand
 
-calendarCommand = ShCommand('cal 12 2013')
+calendarCommand = ShTextCommand('cal 12 2013')
 calendarCommand.execute()
 
-touchCommand = ShCommand('touch ../tmp.txt')
+touchCommand = ShTextCommand('touch ../tmp.txt')
 touchCommand.execute()
diff --git a/scripts/TouchinBuild/commands/BaseBackupCommand/BaseBackupCommand.py b/scripts/TouchinBuild/commands/BaseBackupCommand/BaseBackupCommand.py
index 95a4eb7..aba3acc 100644
--- a/scripts/TouchinBuild/commands/BaseBackupCommand/BaseBackupCommand.py
+++ b/scripts/TouchinBuild/commands/BaseBackupCommand/BaseBackupCommand.py
@@ -1,10 +1,11 @@
 # -*- coding: utf-8 -*-
-
 import os
+from commands.CommandBase import CommandBase
 
 
-class BaseBackupCommand:
+class BaseBackupCommand(CommandBase):
 	def __init__(self):
+		CommandBase.__init__(self)
 		self.folderPath = '.'
 
 		# вычислять абсолютные пути надо на этапе создания комманды
diff --git a/scripts/TouchinBuild/commands/CleanBuildCommands/CleanBuildCommandBase.py b/scripts/TouchinBuild/commands/CleanBuildCommands/CleanBuildCommandBase.py
index 8bed240..38dd455 100644
--- a/scripts/TouchinBuild/commands/CleanBuildCommands/CleanBuildCommandBase.py
+++ b/scripts/TouchinBuild/commands/CleanBuildCommands/CleanBuildCommandBase.py
@@ -1,8 +1,10 @@
-from subprocess import call
+from commands.ShellCommandBase import ShellCommandBase
 
 
-class CleanBuildCommandBase:
+class CleanBuildCommandBase(ShellCommandBase):
 	def __init__(self, commandPattern, pathToBuildUtil, slnPath, slnConfig):
+		ShellCommandBase.__init__(self)
+
 		assert commandPattern is not None
 		assert pathToBuildUtil is not None
 		assert slnPath is not None
@@ -15,4 +17,5 @@ class CleanBuildCommandBase:
 
 	def execute(self):
 		cmdText = self.__commandPattern.format(self.__pathToBuildUtil, self.__slnConfig, self.__slnPath)
-		call(cmdText, shell=True)
+
+		self.executeShell(cmdText)
diff --git a/scripts/TouchinBuild/commands/CommandBase.py b/scripts/TouchinBuild/commands/CommandBase.py
new file mode 100644
index 0000000..6411593
--- /dev/null
+++ b/scripts/TouchinBuild/commands/CommandBase.py
@@ -0,0 +1,12 @@
+import abc
+
+
+class CommandBase(object):
+	__metaclass__ = abc.ABCMeta
+
+	def __init__(self):
+		pass
+
+	@abc.abstractmethod
+	def execute(self):
+		pass
diff --git a/scripts/TouchinBuild/commands/CopyCommand.py b/scripts/TouchinBuild/commands/CopyCommand.py
index dc8dd94..dd9d032 100644
--- a/scripts/TouchinBuild/commands/CopyCommand.py
+++ b/scripts/TouchinBuild/commands/CopyCommand.py
@@ -1,8 +1,12 @@
 import shutil
 import os
+from commands.CommandBase import CommandBase
 
-class CopyCommand:
+
+class CopyCommand(CommandBase):
 	def __init__(self, copyArguments):
+		CommandBase.__init__(self)
+
 		assert copyArguments is not None
 
 		self.__copyArguments = copyArguments
diff --git a/scripts/TouchinBuild/commands/MakeDirsCommand.py b/scripts/TouchinBuild/commands/MakeDirsCommand.py
index 7ba3c22..1fece89 100644
--- a/scripts/TouchinBuild/commands/MakeDirsCommand.py
+++ b/scripts/TouchinBuild/commands/MakeDirsCommand.py
@@ -1,13 +1,10 @@
-from commands.ShCommand import ShCommand
+from commands.ShTextCommand import ShTextCommand
 
 
-class MakeDirsCommand:
+class MakeDirsCommand(ShTextCommand):
 	def __init__(self, path):
 		assert path is not None
+		self.path = path
 
-		self.__path = path
-
-	def execute(self):
-		cmdText = "mkdir -p '{0}'".format(self.__path)
-		innerCommand = ShCommand(cmdText)
-		innerCommand.execute()
+		cmdText = "mkdir -p '{0}'".format(self.path)
+		ShTextCommand.__init__(self, cmdText)
\ No newline at end of file
diff --git a/scripts/TouchinBuild/commands/PatchCsprojCommand.py b/scripts/TouchinBuild/commands/PatchCsprojCommand.py
index 68007eb..00036e3 100644
--- a/scripts/TouchinBuild/commands/PatchCsprojCommand.py
+++ b/scripts/TouchinBuild/commands/PatchCsprojCommand.py
@@ -1,7 +1,10 @@
+from commands.CommandBase import CommandBase
 import utils.CsprojPatcher as csproj
 
-class PatchCsprojCommand():
+class PatchCsprojCommand(CommandBase):
 	def __init__(self, csprojAbsPath, key, value, slnConfig):
+		CommandBase.__init__(self)
+
 		assert csprojAbsPath is not None
 		assert key is not None
 		assert value is not None
diff --git a/scripts/TouchinBuild/commands/PatchInfoPlistCommand.py b/scripts/TouchinBuild/commands/PatchInfoPlistCommand.py
index c16987b..a9654df 100644
--- a/scripts/TouchinBuild/commands/PatchInfoPlistCommand.py
+++ b/scripts/TouchinBuild/commands/PatchInfoPlistCommand.py
@@ -1,8 +1,11 @@
+from commands.CommandBase import CommandBase
 from utils.InfoPlistPatcher import InfoPlistPatcher
 
 
-class PatchInfoPlistCommand():
+class PatchInfoPlistCommand(CommandBase):
 	def __init__(self, pathToPlist, key, value):
+		CommandBase.__init__(self)
+
 		assert pathToPlist is not None
 		assert key is not None
 		assert value is not None
diff --git a/scripts/TouchinBuild/commands/RemoveProjectCommand.py b/scripts/TouchinBuild/commands/RemoveProjectCommand.py
index 858d205..61ae1df 100644
--- a/scripts/TouchinBuild/commands/RemoveProjectCommand.py
+++ b/scripts/TouchinBuild/commands/RemoveProjectCommand.py
@@ -1,8 +1,11 @@
+from commands.CommandBase import CommandBase
 from utils.SlnPatcher import SlnPatcher
 
 
-class RemoveProjectCommand:
+class RemoveProjectCommand(CommandBase):
 	def __init__(self, slnPath, projectName):
+		CommandBase.__init__(self)
+
 		assert slnPath is not None
 		assert projectName is not None
 
diff --git a/scripts/TouchinBuild/commands/ShCommand.py b/scripts/TouchinBuild/commands/ShCommand.py
deleted file mode 100644
index 54f02f8..0000000
--- a/scripts/TouchinBuild/commands/ShCommand.py
+++ /dev/null
@@ -1,11 +0,0 @@
-from subprocess import call
-
-
-class ShCommand:
-	def __init__(self, commandText):
-		assert commandText is not None
-
-		self.__commandText = commandText
-
-	def execute(self):
-		call(self.__commandText, shell=True)
diff --git a/scripts/TouchinBuild/commands/ShTextCommand.py b/scripts/TouchinBuild/commands/ShTextCommand.py
new file mode 100644
index 0000000..839a1af
--- /dev/null
+++ b/scripts/TouchinBuild/commands/ShTextCommand.py
@@ -0,0 +1,12 @@
+from commands.ShellCommandBase import ShellCommandBase
+
+
+class ShTextCommand(ShellCommandBase):
+	def __init__(self, commandText):
+		ShellCommandBase.__init__(self)
+		assert commandText is not None
+
+		self.commandText = commandText
+
+	def execute(self):
+		self.executeShell(self.commandText)
\ No newline at end of file
diff --git a/scripts/TouchinBuild/commands/ShellCommandBase.py b/scripts/TouchinBuild/commands/ShellCommandBase.py
new file mode 100644
index 0000000..79807cc
--- /dev/null
+++ b/scripts/TouchinBuild/commands/ShellCommandBase.py
@@ -0,0 +1,16 @@
+from commands.CommandBase import CommandBase
+from subprocess import call
+
+
+class ShellCommandBase(CommandBase):
+	def __init__(self):
+		CommandBase.__init__(self)
+
+	def executeShell(self, commandText):
+		assert commandText is not None
+
+		retCode = call(commandText, shell=True)
+
+		if retCode != 0:
+			msg = 'problem with shell command: {0}'.format(commandText)
+			raise Exception(msg)
\ No newline at end of file
diff --git a/scripts/TouchinBuild/commands/TestflightCommand.py b/scripts/TouchinBuild/commands/TestflightCommand.py
index f0b73f0..1cc9878 100644
--- a/scripts/TouchinBuild/commands/TestflightCommand.py
+++ b/scripts/TouchinBuild/commands/TestflightCommand.py
@@ -1,8 +1,11 @@
+from commands.CommandBase import CommandBase
 from utils.TestflightPublisher import TestFlightPublisher
 
 
-class TestflightCommand:
+class TestflightCommand(CommandBase):
 	def __init__(self, pathToFile,  api_token, team_token, notes):
+		CommandBase.__init__(self)
+
 		assert pathToFile is not None
 
 		self.__pathToFile = pathToFile