diff --git a/OMPython/ModelicaSystem.py b/OMPython/ModelicaSystem.py
index 17678bb0..96fbfaf6 100644
--- a/OMPython/ModelicaSystem.py
+++ b/OMPython/ModelicaSystem.py
@@ -12,7 +12,7 @@
 import numpy as np
 
 from OMPython.model_execution import (
-    ModelExecutionCmd,
+    ModelExecutionConfig,
     ModelExecutionException,
 )
 from OMPython.om_session_omc import (
@@ -176,7 +176,7 @@ class ModelicaSystemDoE(ModelicaDoEOMC):
     """
 
 
-class ModelicaSystemCmd(ModelExecutionCmd):
+class ModelicaSystemCmd(ModelExecutionConfig):
     """
     Compatibility class; in the new version it is renamed as ModelExecutionCmd.
     """
diff --git a/OMPython/OMCSession.py b/OMPython/OMCSession.py
index c5511923..ecc033f1 100644
--- a/OMPython/OMCSession.py
+++ b/OMPython/OMCSession.py
@@ -282,12 +282,14 @@ def omcpath_tempdir(self, tempdir_base: Optional[OMPathABC] = None) -> OMPathABC
     def execute(self, command: str):
         return self.omc_process.execute(command=command)
 
-    def sendExpression(self, command: str, parsed: bool = True) -> Any:
+    def sendExpression(self, command: str, parsed: bool = True) -> Any:  # pylint: disable=W0237
         """
         Send an expression to the OMC server and return the result.
 
-        The complete error handling of the OMC result is done within this method using '"getMessagesStringInternal()'.
-        Caller should only check for OMSessionException.
+        The complete error handling of the OMC result is done within this method using 'getMessagesStringInternal()'.
+        Caller should only check for OMCSessionException.
+
+        Compatibility: 'command' was renamed to 'expr'
         """
         return self.omc_process.sendExpression(expr=command, parsed=parsed)
 
diff --git a/OMPython/__init__.py b/OMPython/__init__.py
index 282923a7..1ea0ed8a 100644
--- a/OMPython/__init__.py
+++ b/OMPython/__init__.py
@@ -6,14 +6,14 @@
 ```
 import OMPython
 omc = OMPython.OMCSessionLocal()
-omc.sendExpression("command")
+omc.sendExpression("getVersion()")
 ```
 
 """
 
 from OMPython.model_execution import (
-    ModelExecutionCmd,
-    ModelExecutionData,
+    ModelExecutionConfig,
+    ModelExecutionRun,
     ModelExecutionException,
 )
 from OMPython.om_session_abc import (
@@ -58,15 +58,16 @@
     ModelicaDoERunner,
 )
 
+# the imports below are compatibility functionality (OMPython v4.0.0)
 from OMPython.ModelicaSystem import (
     ModelicaSystem,
-    ModelicaSystemDoE,
     ModelicaSystemCmd,
+    ModelicaSystemDoE,
 )
 from OMPython.OMCSession import (
     OMCSessionCmd,
-    OMCSessionZMQ,
     OMCSessionException,
+    OMCSessionZMQ,
 
     OMCProcessLocal,
     OMCProcessPort,
@@ -80,8 +81,8 @@
 
     'LinearizationResult',
 
-    'ModelExecutionCmd',
-    'ModelExecutionData',
+    'ModelExecutionConfig',
+    'ModelExecutionRun',
     'ModelExecutionException',
 
     'ModelicaDoEABC',
diff --git a/OMPython/model_execution.py b/OMPython/model_execution.py
index ebd4c011..87fc6bdf 100644
--- a/OMPython/model_execution.py
+++ b/OMPython/model_execution.py
@@ -27,14 +27,13 @@ class ModelExecutionException(Exception):
 
 
 @dataclasses.dataclass
-class ModelExecutionData:
+class ModelExecutionRun:
     """
-    Data class to store the command line data for running a model executable in the OMC environment.
+    Data class to store the command line data for running a model executable. This definition is independent of the OMC
+    environment as only the executable is needed.
 
-    All data should be defined for the environment, where OMC is running (local, docker or WSL)
-
-    To use this as a definition of an OMC simulation run, it has to be processed within
-    OMCProcess*.self_update(). This defines the attribute cmd_model_executable.
+    All data should be defined for the environment, where the executable was defined / is located. This is especially
+    important if OMPython and the executable are defined in different environments (docker or WSL).
     """
     # cmd_path is the expected working directory
     cmd_path: str
@@ -105,11 +104,12 @@ def run(self) -> int:
         return returncode
 
 
-class ModelExecutionCmd:
+class ModelExecutionConfig:
     """
-    All information about a compiled model executable. This should include data about all structured parameters, i.e.
-    parameters which need a recompilation of the model. All non-structured parameters can be easily changed without
-    the need for recompilation.
+    This class collects all information about a compiled model executable. This includes data about all structured
+    parameters, i.e. parameters which need a recompilation of the model. All non-structured parameters can be easily
+    changed without the need for recompilation. The final result is an instance of class ModelExecutionRun - a
+    definition to run one simulation based on the compiled model executable.
     """
 
     def __init__(
@@ -261,7 +261,7 @@ def get_cmd_args(self) -> list[str]:
 
         return cmdl
 
-    def definition(self) -> ModelExecutionData:
+    def definition(self) -> ModelExecutionRun:
         """
         Define all needed data to run the model executable. The data is stored in an OMCSessionRunData object.
         """
@@ -301,7 +301,7 @@ def definition(self) -> ModelExecutionData:
         if self._cmd_local:
             cmd_cwd_local = cmd_path.as_posix()
 
-        omc_run_data = ModelExecutionData(
+        omc_run_data = ModelExecutionRun(
             cmd_path=cmd_path.as_posix(),
             cmd_model_name=self._model_name,
             cmd_args=self.get_cmd_args(),
diff --git a/OMPython/modelica_doe_abc.py b/OMPython/modelica_doe_abc.py
index e3ab8403..0ab3add9 100644
--- a/OMPython/modelica_doe_abc.py
+++ b/OMPython/modelica_doe_abc.py
@@ -13,7 +13,7 @@
 from typing import Any, cast, Optional, Tuple
 
 from OMPython.model_execution import (
-    ModelExecutionData,
+    ModelExecutionRun,
 )
 from OMPython.om_session_abc import (
     OMPathABC,
@@ -138,7 +138,7 @@ def __init__(
             self._parameters = {}
 
         self._doe_def: Optional[dict[str, dict[str, Any]]] = None
-        self._doe_cmd: Optional[dict[str, ModelExecutionData]] = None
+        self._doe_cmd: Optional[dict[str, ModelExecutionRun]] = None
 
     def get_session(self) -> OMSessionABC:
         """
@@ -255,7 +255,7 @@ def get_doe_definition(self) -> Optional[dict[str, dict[str, Any]]]:
         """
         return self._doe_def
 
-    def get_doe_command(self) -> Optional[dict[str, ModelExecutionData]]:
+    def get_doe_command(self) -> Optional[dict[str, ModelExecutionRun]]:
         """
         Get the definitions of simulations commands to run for this DoE.
         """
diff --git a/OMPython/modelica_system_abc.py b/OMPython/modelica_system_abc.py
index fcc31deb..0f04e4df 100644
--- a/OMPython/modelica_system_abc.py
+++ b/OMPython/modelica_system_abc.py
@@ -17,7 +17,7 @@
 import numpy as np
 
 from OMPython.model_execution import (
-    ModelExecutionCmd,
+    ModelExecutionConfig,
 )
 from OMPython.om_session_abc import (
     OMPathABC,
@@ -189,7 +189,7 @@ def check_model_executable(self):
         Check if the model executable is working
         """
         # check if the executable exists ...
-        om_cmd = ModelExecutionCmd(
+        om_cmd = ModelExecutionConfig(
             runpath=self.getWorkDirectory(),
             cmd_local=self._session.model_execution_local,
             cmd_windows=self._session.model_execution_windows,
@@ -579,7 +579,7 @@ def _parse_om_version(version: str) -> tuple[int, int, int]:
 
     def _process_override_data(
             self,
-            om_cmd: ModelExecutionCmd,
+            om_cmd: ModelExecutionConfig,
             override_file: OMPathABC,
             override_var: dict[str, str],
             override_sim: dict[str, str],
@@ -619,7 +619,7 @@ def simulate_cmd(
             result_file: OMPathABC,
             simflags: Optional[str] = None,
             simargs: Optional[dict[str, Optional[str | dict[str, Any] | numbers.Number]]] = None,
-    ) -> ModelExecutionCmd:
+    ) -> ModelExecutionConfig:
         """
         This method prepares the simulates model according to the simulation options. It returns an instance of
         ModelicaSystemCmd which can be used to run the simulation.
@@ -641,7 +641,7 @@ def simulate_cmd(
             An instance if ModelicaSystemCmd to run the requested simulation.
         """
 
-        om_cmd = ModelExecutionCmd(
+        om_cmd = ModelExecutionConfig(
             runpath=self.getWorkDirectory(),
             cmd_local=self._session.model_execution_local,
             cmd_windows=self._session.model_execution_windows,
@@ -1026,7 +1026,7 @@ def setInputs(
                 self._inputs[key] = [(float(self._simulate_options["startTime"]), float(val)),
                                      (float(self._simulate_options["stopTime"]), float(val))]
             elif isinstance(val_evaluated, list):
-                if not all([isinstance(item, tuple) for item in val_evaluated]):
+                if not all(isinstance(item, tuple) for item in val_evaluated):
                     raise ModelicaSystemError("Value for setInput() must be in tuple format; "
                                               f"got {repr(val_evaluated)}")
                 if val_evaluated != sorted(val_evaluated, key=lambda x: x[0]):
@@ -1134,7 +1134,7 @@ def linearize(
                 "use ModelicaSystemOMC() to build the model first"
             )
 
-        om_cmd = ModelExecutionCmd(
+        om_cmd = ModelExecutionConfig(
             runpath=self.getWorkDirectory(),
             cmd_local=self._session.model_execution_local,
             cmd_windows=self._session.model_execution_windows,
diff --git a/OMPython/om_session_abc.py b/OMPython/om_session_abc.py
index 70e897d7..fdfa5491 100644
--- a/OMPython/om_session_abc.py
+++ b/OMPython/om_session_abc.py
@@ -97,13 +97,13 @@ def with_segments(self, *pathsegments) -> OMPathABC:
             return type(self)(*pathsegments, session=self._session)
 
         @abc.abstractmethod
-        def is_file(self) -> bool:
+        def is_file(self, *, follow_symlinks=True) -> bool:
             """
             Check if the path is a regular file.
             """
 
         @abc.abstractmethod
-        def is_dir(self) -> bool:
+        def is_dir(self, *, follow_symlinks: bool = True) -> bool:
             """
             Check if the path is a directory.
             """
@@ -115,19 +115,19 @@ def is_absolute(self) -> bool:
             """
 
         @abc.abstractmethod
-        def read_text(self) -> str:
+        def read_text(self, encoding=None, errors=None, newline=None) -> str:
             """
             Read the content of the file represented by this path as text.
             """
 
         @abc.abstractmethod
-        def write_text(self, data: str) -> int:
+        def write_text(self, data: str, encoding=None, errors=None, newline=None) -> int:
             """
             Write text data to the file represented by this path.
             """
 
         @abc.abstractmethod
-        def mkdir(self, parents: bool = True, exist_ok: bool = False) -> None:
+        def mkdir(self, mode=0o777, parents: bool = False, exist_ok: bool = False) -> None:
             """
             Create a directory at the path represented by this class.
 
@@ -137,7 +137,7 @@ def mkdir(self, parents: bool = True, exist_ok: bool = False) -> None:
             """
 
         @abc.abstractmethod
-        def cwd(self) -> OMPathABC:
+        def cwd(self) -> OMPathABC:  # pylint: disable=W0221 # is @classmethod in the original; see pathlib.PathBase
             """
             Returns the current working directory as an OMPathABC object.
             """
diff --git a/OMPython/om_session_omc.py b/OMPython/om_session_omc.py
index 6626cd17..4fafc3a1 100644
--- a/OMPython/om_session_omc.py
+++ b/OMPython/om_session_omc.py
@@ -52,19 +52,23 @@ class _OMCPath(OMPathABC):
         OMCSession* classes.
         """
 
-        def is_file(self) -> bool:
+        def is_file(self, *, follow_symlinks=True) -> bool:
             """
             Check if the path is a regular file.
             """
+            del follow_symlinks
+
             retval = self.get_session().sendExpression(expr=f'regularFileExists("{self.as_posix()}")')
             if not isinstance(retval, bool):
                 raise OMSessionException(f"Invalid return value for is_file(): {retval} - expect bool")
             return retval
 
-        def is_dir(self) -> bool:
+        def is_dir(self, *, follow_symlinks: bool = True) -> bool:
             """
             Check if the path is a directory.
             """
+            del follow_symlinks
+
             retval = self.get_session().sendExpression(expr=f'directoryExists("{self.as_posix()}")')
             if not isinstance(retval, bool):
                 raise OMSessionException(f"Invalid return value for is_dir(): {retval} - expect bool")
@@ -78,19 +82,23 @@ def is_absolute(self) -> bool:
                 return pathlib.PureWindowsPath(self.as_posix()).is_absolute()
             return pathlib.PurePosixPath(self.as_posix()).is_absolute()
 
-        def read_text(self) -> str:
+        def read_text(self, encoding=None, errors=None, newline=None) -> str:
             """
             Read the content of the file represented by this path as text.
             """
+            del encoding, errors, newline
+
             retval = self.get_session().sendExpression(expr=f'readFile("{self.as_posix()}")')
             if not isinstance(retval, str):
                 raise OMSessionException(f"Invalid return value for read_text(): {retval} - expect str")
             return retval
 
-        def write_text(self, data: str) -> int:
+        def write_text(self, data: str, encoding=None, errors=None, newline=None) -> int:
             """
             Write text data to the file represented by this path.
             """
+            del encoding, errors, newline
+
             if not isinstance(data, str):
                 raise TypeError(f"data must be str, not {data.__class__.__name__}")
 
@@ -99,7 +107,7 @@ def write_text(self, data: str) -> int:
 
             return len(data)
 
-        def mkdir(self, parents: bool = True, exist_ok: bool = False) -> None:
+        def mkdir(self, mode=0o777, parents: bool = False, exist_ok: bool = False) -> None:
             """
             Create a directory at the path represented by this class.
 
@@ -107,13 +115,15 @@ def mkdir(self, parents: bool = True, exist_ok: bool = False) -> None:
             Python < 3.12. In this case, pathlib.Path is used directly and this option ensures, that missing parent
             directories are also created.
             """
+            del mode
+
             if self.is_dir() and not exist_ok:
                 raise FileExistsError(f"Directory {self.as_posix()} already exists!")
 
             if not self._session.sendExpression(expr=f'mkdir("{self.as_posix()}")'):
                 raise OMSessionException(f"Error on directory creation for {self.as_posix()}!")
 
-        def cwd(self) -> OMPathABC:
+        def cwd(self) -> OMPathABC:  # pylint: disable=W0221 # is @classmethod in the original; see pathlib.PathBase
             """
             Returns the current working directory as an OMPathABC object.
             """
diff --git a/OMPython/om_session_runner.py b/OMPython/om_session_runner.py
index fc8e5ac8..b81c3ae1 100644
--- a/OMPython/om_session_runner.py
+++ b/OMPython/om_session_runner.py
@@ -49,16 +49,20 @@ class _OMPathRunnerLocal(OMPathRunnerABC):
         conversion via pathlib.Path(<OM*Path*>.as_posix()).
         """
 
-        def is_file(self) -> bool:
+        def is_file(self, *, follow_symlinks=True) -> bool:
             """
             Check if the path is a regular file.
             """
+            del follow_symlinks
+
             return self._path().is_file()
 
-        def is_dir(self) -> bool:
+        def is_dir(self, *, follow_symlinks: bool = True) -> bool:
             """
             Check if the path is a directory.
             """
+            del follow_symlinks
+
             return self._path().is_dir()
 
         def is_absolute(self) -> bool:
@@ -67,22 +71,26 @@ def is_absolute(self) -> bool:
             """
             return self._path().is_absolute()
 
-        def read_text(self) -> str:
+        def read_text(self, encoding=None, errors=None, newline=None) -> str:
             """
             Read the content of the file represented by this path as text.
             """
+            del encoding, errors, newline
+
             return self._path().read_text(encoding='utf-8')
 
-        def write_text(self, data: str):
+        def write_text(self, data: str, encoding=None, errors=None, newline=None):
             """
             Write text data to the file represented by this path.
             """
+            del encoding, errors, newline
+
             if not isinstance(data, str):
                 raise TypeError(f"data must be str, not {data.__class__.__name__}")
 
             return self._path().write_text(data=data, encoding='utf-8')
 
-        def mkdir(self, parents: bool = True, exist_ok: bool = False) -> None:
+        def mkdir(self, mode=0o777, parents: bool = False, exist_ok: bool = False) -> None:
             """
             Create a directory at the path represented by this class.
 
@@ -90,9 +98,11 @@ def mkdir(self, parents: bool = True, exist_ok: bool = False) -> None:
             Python < 3.12. In this case, pathlib.Path is used directly and this option ensures, that missing parent
             directories are also created.
             """
+            del mode
+
             self._path().mkdir(parents=parents, exist_ok=exist_ok)
 
-        def cwd(self) -> OMPathABC:
+        def cwd(self) -> OMPathABC:  # pylint: disable=W0221 # is @classmethod in the original; see pathlib.PathBase
             """
             Returns the current working directory as an OMPathABC object.
             """
@@ -132,10 +142,12 @@ class _OMPathRunnerBash(OMPathRunnerABC):
         conversion via pathlib.Path(<OM*Path*>.as_posix()).
         """
 
-        def is_file(self) -> bool:
+        def is_file(self, *, follow_symlinks=True) -> bool:
             """
             Check if the path is a regular file.
             """
+            del follow_symlinks
+
             cmdl = self.get_session().get_cmd_prefix()
             cmdl += ['bash', '-c', f'test -f "{self.as_posix()}"']
 
@@ -145,7 +157,7 @@ def is_file(self) -> bool:
             except subprocess.CalledProcessError:
                 return False
 
-        def is_dir(self) -> bool:
+        def is_dir(self, *, follow_symlinks: bool = True) -> bool:
             """
             Check if the path is a directory.
             """
@@ -172,10 +184,12 @@ def is_absolute(self) -> bool:
             except subprocess.CalledProcessError:
                 return False
 
-        def read_text(self) -> str:
+        def read_text(self, encoding=None, errors=None, newline=None) -> str:
             """
             Read the content of the file represented by this path as text.
             """
+            del encoding, errors, newline
+
             cmdl = self.get_session().get_cmd_prefix()
             cmdl += ['bash', '-c', f'cat "{self.as_posix()}"']
 
@@ -184,10 +198,12 @@ def read_text(self) -> str:
                 return result.stdout.decode('utf-8')
             raise FileNotFoundError(f"Cannot read file: {self.as_posix()}")
 
-        def write_text(self, data: str) -> int:
+        def write_text(self, data: str, encoding=None, errors=None, newline=None) -> int:
             """
             Write text data to the file represented by this path.
             """
+            del encoding, errors, newline
+
             if not isinstance(data, str):
                 raise TypeError(f"data must be str, not {data.__class__.__name__}")
 
@@ -202,7 +218,7 @@ def write_text(self, data: str) -> int:
             except subprocess.CalledProcessError as exc:
                 raise IOError(f"Error writing data to file {self.as_posix()}!") from exc
 
-        def mkdir(self, parents: bool = True, exist_ok: bool = False) -> None:
+        def mkdir(self, mode=0o777, parents: bool = False, exist_ok: bool = False) -> None:
             """
             Create a directory at the path represented by this class.
 
@@ -210,6 +226,7 @@ def mkdir(self, parents: bool = True, exist_ok: bool = False) -> None:
             Python < 3.12. In this case, pathlib.Path is used directly and this option ensures, that missing parent
             directories are also created.
             """
+            del mode
 
             if self.is_file():
                 raise OSError(f"The given path {self.as_posix()} exists and is a file!")
@@ -226,7 +243,7 @@ def mkdir(self, parents: bool = True, exist_ok: bool = False) -> None:
             except subprocess.CalledProcessError as exc:
                 raise OMSessionException(f"Error on directory creation for {self.as_posix()}!") from exc
 
-        def cwd(self) -> OMPathABC:
+        def cwd(self) -> OMPathABC:  # pylint: disable=W0221 # is @classmethod in the original; see pathlib.PathBase
             """
             Returns the current working directory as an OMPathABC object.
             """
diff --git a/README.md b/README.md
index a9cf3bdc..56730349 100644
--- a/README.md
+++ b/README.md
@@ -8,8 +8,8 @@ OMPython is a Python interface that uses ZeroMQ to communicate with OpenModelica
 
 ## Dependencies
 
--   Python 3.x supported
--   PyZMQ is required
+  - Python >= 3.10 supported with complete functionality for Python >= 3.12
+  - Additional packages: numpy, psutil, pyparsing and pyzmq
 
 ## Installation
 
@@ -49,8 +49,8 @@ help(OMPython)
 ```
 
 ```python
-from OMPython import OMCSessionLocal
-omc = OMCSessionLocal()
+import OMPython
+omc = OMPython.OMCSessionLocal()
 omc.sendExpression("getVersion()")
 ```
 
diff --git a/tests/test_ModelExecutionCmd.py b/tests/test_ModelExecutionCmd.py
index db5aadeb..71e96fc1 100644
--- a/tests/test_ModelExecutionCmd.py
+++ b/tests/test_ModelExecutionCmd.py
@@ -24,7 +24,7 @@ def mscmd_firstorder(model_firstorder):
         model_name="M",
     )
 
-    mscmd = OMPython.ModelExecutionCmd(
+    mscmd = OMPython.ModelExecutionConfig(
         runpath=mod.getWorkDirectory(),
         cmd_local=mod.get_session().model_execution_local,
         cmd_windows=mod.get_session().model_execution_windows,