diff --git a/.vscode/launch.json b/.vscode/launch.json
index 4de5ac4..6a8f517 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -80,6 +80,27 @@
             "type": "dart",
             "program": "./bin/main.dart",
             "args": ["exe", "-f", "C:/Work/automation/iot/script/windows/startup.yaml"]
+        },
+        {
+            "name": "scheduler regist",
+            "request": "launch",
+            "type": "dart",
+            "program": "./bin/main.dart",
+            "args": ["scheduler", "-r", "./assets/scheduler.yaml"]
+        },
+        {
+            "name": "scheduler unregist",
+            "request": "launch",
+            "type": "dart",
+            "program": "./bin/main.dart",
+            "args": ["scheduler", "-u", "test"]
+        },
+        {
+            "name": "scheduler background",
+            "request": "launch",
+            "type": "dart",
+            "program": "./bin/main.dart",
+            "args": ["scheduler", "-s"]
         }
     ]
 }
\ No newline at end of file
diff --git a/assets/scheduler.yaml b/assets/scheduler.yaml
new file mode 100644
index 0000000..65d14ed
--- /dev/null
+++ b/assets/scheduler.yaml
@@ -0,0 +1,20 @@
+---
+scheduler:
+  alias: test
+  cron: '*/5 * * * *'
+  enableLog: false # (Optional) default: false
+
+property:
+  workspace: .
+
+pipeline:
+  id: main
+  workflow:
+  - exe: print
+
+commands:
+### Print
+- command: Print
+  id: print
+  param:
+    message: test
\ No newline at end of file
diff --git a/bin/main.dart b/bin/main.dart
index acbdb38..5c10e48 100644
--- a/bin/main.dart
+++ b/bin/main.dart
@@ -7,8 +7,9 @@ import 'package:oto_cli/cli/commands/command_exe.dart';
 // import 'package:oto_cli/cli/commands/command_start.dart';
 
 void main(List<String> arguments) async {
-  initialize();
-  CLI.initialize('OTO', arguments, [
+  await initialize('oto', 'com.toki-labs.oto');
+
+  CLI.initialize('oto', arguments, [
     CommandTemplate(),
     CommandExe(),
     CommandScheduler()
diff --git a/lib/cli/cli.dart b/lib/cli/cli.dart
index e3b698a..56e0ed2 100644
--- a/lib/cli/cli.dart
+++ b/lib/cli/cli.dart
@@ -39,6 +39,10 @@ class CLIConfig {
   CLIConfig(this.serviceName, this.arguments, this.commands) {
     var fileName = path.basename(Platform.resolvedExecutable);
     fileName = fileName.replaceAll(path.extension(fileName), '');
+    if(fileName == 'dart') {
+      //debug
+      fileName = 'dart bin/main.dart';
+    }
     executableFileName = fileName;
   }
 }
diff --git a/lib/cli/commands/command_exe.dart b/lib/cli/commands/command_exe.dart
index 4cbe2ef..30a1f71 100644
--- a/lib/cli/commands/command_exe.dart
+++ b/lib/cli/commands/command_exe.dart
@@ -1,10 +1,8 @@
 // ignore_for_file: avoid_init_to_null
 
 import 'dart:async';
-import 'dart:convert';
 import 'dart:io';
 
-import 'package:dart_framework/charset/euc_kr.dart';
 import 'package:dart_framework/data/isolate_data.dart';
 import 'package:dart_framework/platform/isolate_manager.dart';
 import 'package:oto_cli/cli/cli.dart';
@@ -33,12 +31,11 @@ class CommandExe extends CommandBase {
         _handler = IsolateManager.create(IsolateExe(BuildType.jenkins));
         await isComplete();
         break;
-      }
-      if (item.startsWith('-t')) {
+      } else if (item.startsWith('-t')) {
         _handler = IsolateManager.create(IsolateExe(BuildType.test));
         await isComplete();
-      }
-      if (item.startsWith('-f')) {
+        break;
+      } else if (item.startsWith('-f')) {
         var file = '';
         if (parameters.length > i + 1) {
           file = parameters[i + 1];
@@ -47,6 +44,8 @@ class CommandExe extends CommandBase {
         }
         await startYaml(file);
         break;
+      } else {
+        printHelp();
       }
     }
     return simpleFuture;
diff --git a/lib/cli/commands/command_manager.dart b/lib/cli/commands/command_manager.dart
index 5511a7b..57af4bb 100644
--- a/lib/cli/commands/command_manager.dart
+++ b/lib/cli/commands/command_manager.dart
@@ -35,9 +35,20 @@ class CommandManager {
         }
 
         if (!printHelp) {
-          await CLI.println('Execute command: $command$argStr',
+          if(parameters.isEmpty) {
+            commandItem.printHelp();
+          } else {
+            await CLI.println('Execute command: $command$argStr',
               color: Color.green);
-          await commandItem.execute(parameters);
+            try {
+              await commandItem.execute(parameters);  
+            } on Exception catch(e, stacktace) {
+              print('');
+              var message = e.toString().replaceAll('Exception:', '');
+              await CLI.println('${CLI.style('Error:', background: Color.red)} $message');
+              print('');
+            }
+          }
         }
       } else {
         printHelp(append: [
diff --git a/lib/cli/commands/command_scheduler.dart b/lib/cli/commands/command_scheduler.dart
index 679d39b..5d5f0f8 100644
--- a/lib/cli/commands/command_scheduler.dart
+++ b/lib/cli/commands/command_scheduler.dart
@@ -1,33 +1,55 @@
 import 'dart:async';
+import 'dart:io';
 
 import 'package:oto_cli/cli/commands/command_base.dart';
 import 'package:dart_framework/utils/system_util.dart';
-import 'package:oto_cli/cli/commands/scheduler/scheduler.dart';
+import 'package:oto_cli/cli/commands/scheduler/scheduler_manager.dart';
 
 class CommandScheduler extends CommandBase {
 
   @override
   Map<String, List<String>> get arguments => {
         '-l': ["Shows the currently operational schedulers."],
-        '-k {alias}': ["Shut down the active scheduler."]
+        '-r {file}': ["Register the defined file (yaml) with the scheduler."],
+        '-u {alias}': ["Unregister schedules registered with the scheduler based on alias."]
       };
   @override
   String get name => 'scheduler';
-  final Scheduler _scheduler = Scheduler();
+  final SchedulerManager _scheduler = SchedulerManager();
 
   @override
   Future execute(List<String> parameters) async {
     for (var i = 0; i < parameters.length; ++i) {
       var item = parameters[i];
       if (item.startsWith('-l')) {
-      } else if (item.startsWith('-k')) {
+        _scheduler.showList();
+        break;
+      } else if (item.startsWith('-r')) {
+        var file = '';
+        if (parameters.length > i + 1) {
+          file = parameters[i + 1];
+        } else {
+          file = item.replaceFirst('-r', '').trimLeft();
+        }
+        await _scheduler.regist(file);
+        exit(0);
+      } else if (item.startsWith('-u')) {
         var alias = '';
         if (parameters.length > i + 1) {
           alias = parameters[i + 1];
         } else {
-          alias = item.replaceFirst('-f', '').trimLeft();
+          alias = item.replaceFirst('-u', '').trimLeft();
         }
-        print('======================> $alias');
+        await _scheduler.unregist(alias);
+        break;
+      } else if (item.startsWith('-s')) { //hidden: start process
+        await _scheduler.start();
+        break;
+      } else if (item.startsWith('-t')) { //hidden: terminate process
+        await _scheduler.terminate();
+        break;
+      } else {
+        printHelp();
       }
     }
     return simpleFuture;
diff --git a/lib/cli/commands/scheduler/scheduler.dart b/lib/cli/commands/scheduler/scheduler.dart
deleted file mode 100644
index fbd3c53..0000000
--- a/lib/cli/commands/scheduler/scheduler.dart
+++ /dev/null
@@ -1,20 +0,0 @@
-
-import 'dart:io';
-
-import 'package:oto_cli/cli/commands/scheduler/scheduler_linux.dart';
-import 'package:oto_cli/cli/commands/scheduler/scheduler_osx.dart';
-import 'package:oto_cli/cli/commands/scheduler/scheduler_windows.dart';
-
-abstract class Scheduler {
-  factory Scheduler() {
-    if(Platform.isMacOS) {
-      return SchedulerOsx();
-    } else if(Platform.isWindows) {
-      return SchedulerWindows();
-    } else if(Platform.isLinux) {
-      return SchedulerLinux();
-    } else {
-      throw UnsupportedError('This platform not supported.');
-    }
-  }
-}
\ No newline at end of file
diff --git a/lib/cli/commands/scheduler/scheduler_linux.dart b/lib/cli/commands/scheduler/scheduler_linux.dart
index 42a3279..ffb0984 100644
--- a/lib/cli/commands/scheduler/scheduler_linux.dart
+++ b/lib/cli/commands/scheduler/scheduler_linux.dart
@@ -1,6 +1,5 @@
 
-import 'package:oto_cli/cli/commands/scheduler/scheduler.dart';
+import 'package:oto_cli/cli/commands/scheduler/scheduler_manager.dart';
 
-class SchedulerLinux implements Scheduler {
-  
+class SchedulerLinux extends SchedulerManager {
 }
\ No newline at end of file
diff --git a/lib/cli/commands/scheduler/scheduler_manager.dart b/lib/cli/commands/scheduler/scheduler_manager.dart
new file mode 100644
index 0000000..197813d
--- /dev/null
+++ b/lib/cli/commands/scheduler/scheduler_manager.dart
@@ -0,0 +1,325 @@
+
+import 'dart:collection';
+import 'dart:io';
+
+import 'package:cron/cron.dart';
+import 'package:dart_framework/data/isolate_data.dart';
+import 'package:dart_framework/platform/isolate_manager.dart';
+import 'package:dart_framework/platform/process.dart';
+import 'package:dart_framework/utils/os_startup.dart';
+import 'package:dart_framework/utils/string_util.dart';
+import 'package:dart_framework/utils/system_util.dart';
+import 'package:file_hasher/file_hasher.dart';
+import 'package:oto_cli/cli/commands/scheduler/scheduler_linux.dart';
+import 'package:oto_cli/cli/commands/scheduler/scheduler_osx.dart';
+import 'package:oto_cli/cli/commands/scheduler/scheduler_windows.dart';
+import 'package:oto_cli/oto/application.dart';
+import 'package:oto_cli/oto/data/command_data.dart';
+import 'package:path/path.dart' as path;
+
+class SchedulerManager {
+
+  static String get schedulerPath {
+    var debugPath = isDebug ? '/debug' : '';
+    return '$dataPath$debugPath/scheduler';
+  }
+
+  static String get logsPath {
+    return '$schedulerPath/logs';
+  }
+
+  ProcessInfo? currentScheduler;
+  final Map<String, IsolateHandler> _map = {};
+
+  HashSet<String> get schedulers {
+    HashSet<String> hash = HashSet();
+    var dir = Directory(schedulerPath);
+    if(dir.existsSync()) {
+      var fileList = dir.listSync();
+      for(var item in fileList) {
+        if(item is File) {
+          if(path.extension(item.path).toLowerCase().contains('.yaml')) {
+            hash.add(path.basenameWithoutExtension(item.path));
+          }
+        }
+      }
+    }
+    return hash;
+  }
+
+  SchedulerManager();
+  
+  factory SchedulerManager.create() {
+    if(Platform.isMacOS) {
+      return SchedulerOsx();
+    } else if(Platform.isWindows) {
+      return SchedulerWindows();
+    } else if(Platform.isLinux) {
+      return SchedulerLinux();
+    } else {
+      throw UnsupportedError('This platform not supported.');
+    }
+  }
+
+  Future regist(String filePath) async {
+    var file = File(filePath);
+    if(!file.existsSync()) {
+      return throw Exception("The file '$filePath' does not exist.");
+    }
+    Map<String, dynamic>? map;
+    DataBuild? build;
+    try {
+      map = Application.getMapFromYamlA(await file.readAsString());
+      build = DataBuild.fromJson(map!);
+    } on Exception catch(e, stacktace) {
+      print(stacktace);
+      return throw Exception("The file '$filePath' is not in yaml format or is an unsupported build format.");
+    }
+
+    if(build.scheduler == null) {
+      return throw Exception('Scheduler entry does not exist within yaml.');
+    }
+
+    var dirLogs = Directory(logsPath);
+    var alias = build.scheduler!.alias;
+    var hash = schedulers;
+    if(hash.contains(alias)) {
+      return throw Exception('A scheduler with the same alias is registered. Please do it with a different alias.');
+    }
+    await checkStartup();
+    await checkProcess();
+    await startProcess();
+        
+    if(!dirLogs.existsSync()) {
+      dirLogs.createSync(recursive: true);
+    }
+    await file.copy('$schedulerPath/$alias.yaml');
+    return simpleFuture;
+  }
+
+  Future unregist(String alias) async {
+    if(schedulers.contains(alias)) {
+      var file = File('$schedulerPath/$alias.yaml');
+      file.deleteSync();
+    } else {
+      return throw Exception("There is no scheduler called '$alias'.");
+    }
+
+    if(schedulers.isEmpty) {
+      await terminate();
+      await unregistStartup();
+    }
+  }
+
+  void showList() {
+    print('');
+    var scheduleList = schedulers;
+    if(scheduleList.isEmpty) {
+      print(':::: There are no registered schedulers.');
+      print('');
+    } else {
+      print(':::: List of currently registered schedulers.');
+      print('');
+      print('${'   [Enable]'.padRight(20)}${'[Alias]'.padRight(20)}[Path]');
+      for(var item in schedulers) {
+        print('${' - true'.padRight(20)}${item.padRight(20)}$schedulerPath/$item.yaml');
+      }
+      print('');
+    }
+  }
+
+  Future terminate() async {
+    await checkProcess();
+    if(currentScheduler != null) {
+      Process.killPid(currentScheduler!.pid);
+      print('Scheduler operation stopped.');
+    }
+    return simpleFuture;
+  }
+
+  Future startProcess() async {
+    //Launchd로 자동 실행이 되지 않은경우 직접실행
+    if(currentScheduler == null) {
+      var script = isDebug ? ' $scriptPath' : '';
+      var shell = StringBuffer();
+      shell.writeln('nohup $executablePath$script scheduler -s &');
+      shell.writeln('disown');
+      ProcessExecutor.run(shell, workspace: Directory.systemTemp.path, printStdout: false);
+      await checkProcess();
+    }
+    return simpleFuture;
+  }
+
+  Future checkSchedules() async {
+    return simpleFuture;
+  }
+
+  Future checkProcess() async {
+    //process check
+    var processes = await findProcess('scheduler -s');
+    for(var process in processes) {
+      print(process.name);
+      var processName = process.name;
+      if(processName.contains('main.dart scheduler -s') || processName.contains('$appName scheduler -s')) {
+        currentScheduler = process;
+        print('Scheduler is running on pid ${currentScheduler!.pid}.');
+        break;
+      }
+    }
+    return simpleFuture;
+  }
+
+  Future checkStartup() async {
+    if(!await OSStartup.isRegistedStartup(appIdendifier)) {
+      List<String> param = [];
+      if(isDebug) {
+        param.add(scriptPath);
+      }
+      param.add('scheduler');
+      param.add('-s');
+      await OSStartup.registStartup(executablePath, appIdendifier, arguments: param);
+    }
+    return simpleFuture;
+  }
+
+  Future unregistStartup() async {
+    if(await OSStartup.isRegistedStartup(appIdendifier)) {
+      await OSStartup.unregistStartup(appIdendifier);
+    }
+    return simpleFuture;
+  }
+
+  //======================== other process ========================//
+  final logFile = File('$logsPath/scheduler.txt');
+  Future start() async {
+    while(true) {
+      //매초 마다 등록된 파일이 있나 체크
+      await Future.delayed(Duration(seconds: 1));
+      var scheduleList = schedulers;
+      for(var alias in scheduleList) {
+        if(!_map.containsKey(alias)) {
+          await logFile.writeAsString('Schduler started: $alias\n', mode: FileMode.append);
+          var handler = IsolateManager.create(IsolateScheduler({'alias': alias, 'root': schedulerPath, 'logs': logsPath}));
+          //To-do: 종료시 사유(by user, by error)에 따라 json에 내용을 기입하여 재실행 안하도록
+          handler.addListener('terminated', onTerminated );
+          _map[alias] = handler;
+        }
+      }
+    }
+  }
+
+  void onTerminated(Object? data) {
+    var map = data as Map;
+    var alias = data['alias'] as String;
+    var type = data['type'] as String;
+    var message = data['message'] as String;
+    _map.remove(alias);
+  }
+}
+
+class IsolateScheduler extends IsolateBase {
+  late String schedulerPath;
+  late String logsPath;
+  late String alias;
+  late File file;
+  late File logFile;
+  int fileHash = 0;
+
+  bool logEnable = false;
+  bool notProgress = true;
+  bool cronClosed = true;
+  late DataBuild build;
+  late String cronExpress;
+  
+  Cron? cron;
+  int nextStartTime = 0;
+
+  IsolateScheduler(Map data) {
+    alias = data['alias'];
+    schedulerPath = data['root'];
+    logsPath = data['logs'];
+    file = File('$schedulerPath/$alias.yaml');
+  }
+
+  @override
+  void onReady(Object? initData) async {
+    while(true) {
+      await Future.delayed(Duration(seconds: 1));
+
+      if(file.existsSync()) {
+        var hash = await FileHasher.hash(file);
+        if(hash != fileHash) {
+          fileHash = hash;
+          //파일 내용이 바뀔때 마다 새로 읽어 들임
+          var map = Application.getMapFromYamlA(await file.readAsString());
+          
+          //Validate yaml format
+          try {
+            build = DataBuild.fromJson(map!);
+          } on Exception catch(e, stacktace) {
+            onError('Failed to parse yaml file.');
+            logError(e, stacktace);
+            return;
+          }
+          if(build.scheduler == null) {
+            onError('Scheduler entry does not exist within yaml.');
+            return;
+          }
+
+          try {
+            Schedule.parse(build.scheduler!.cron);
+            cronExpress = build.scheduler!.cron;
+          } on Error catch(e, stacktace) {
+            onError("Cron express '${build.scheduler!.cron}' is not a suitable format.");
+            return;
+          }
+        }
+
+        if(cronClosed) {
+          cronClosed = false;
+          cron = Cron();
+          cron!.schedule(Schedule.parse(cronExpress), () async {
+            if(notProgress) {
+              await execute(build);
+              cronClosed = true;
+              await cron!.close();
+            }
+          });
+        }
+      } else {
+        //file이 없을시 종료
+        onError("The file '${file.path}' does not exist.");
+        return;
+      }
+    }
+  }
+
+  Future execute(DataBuild data) async {
+    notProgress = false;
+    logFile = File('$logsPath/${alias}_${getDate()}_${getTime().replaceAll(':', '.')}.txt');
+    log('Execute task: ${DateTime.now().toString()}');
+    await Future.delayed(Duration(minutes: 1, seconds: 30));
+    notProgress = true;
+    return simpleFuture;
+  }
+
+  void log(String message) {
+    logFile.writeAsStringSync('[${getDates()}] $message\n', mode: FileMode.append, flush: true);
+  }
+
+  void logError(Exception e, StackTrace stacktace) {
+    log('[${e.toString()}]\n${stacktace.toString()}');
+  }
+
+  void onErrorStacktrace(Exception e, StackTrace stacktrace) {
+    onError('$e\n$stacktrace');
+  }
+
+  void onError(String message) {
+    sendTerminated('error', message);
+  }
+
+  void sendTerminated(String type, String message) {
+    send(IsoMessege('terminated', data: {'type': type, 'message': message, 'alias': alias}));
+  }
+}
diff --git a/lib/cli/commands/scheduler/scheduler_osx.dart b/lib/cli/commands/scheduler/scheduler_osx.dart
index 73a25f2..56fdf6f 100644
--- a/lib/cli/commands/scheduler/scheduler_osx.dart
+++ b/lib/cli/commands/scheduler/scheduler_osx.dart
@@ -1,6 +1,5 @@
+import 'package:oto_cli/cli/commands/scheduler/scheduler_manager.dart';
 
-import 'package:oto_cli/cli/commands/scheduler/scheduler.dart';
-
-class SchedulerOsx implements Scheduler {
+class SchedulerOsx extends SchedulerManager {
   
 }
\ No newline at end of file
diff --git a/lib/cli/commands/scheduler/scheduler_windows.dart b/lib/cli/commands/scheduler/scheduler_windows.dart
index ea771ae..e893c45 100644
--- a/lib/cli/commands/scheduler/scheduler_windows.dart
+++ b/lib/cli/commands/scheduler/scheduler_windows.dart
@@ -1,6 +1,6 @@
 
-import 'package:oto_cli/cli/commands/scheduler/scheduler.dart';
+import 'package:oto_cli/cli/commands/scheduler/scheduler_manager.dart';
 
-class SchedulerWindows implements Scheduler {
+class SchedulerWindows extends SchedulerManager {
   
 }
\ No newline at end of file
diff --git a/lib/oto/application.dart b/lib/oto/application.dart
index e07ca05..7c4c91d 100644
--- a/lib/oto/application.dart
+++ b/lib/oto/application.dart
@@ -119,7 +119,7 @@ class Application {
     return simpleFuture;
   }
 
-  Map<String, dynamic>? getMapFromYamlA(String yamlStr) {
+  static Map<String, dynamic>? getMapFromYamlA(String yamlStr) {
     Map<String, dynamic>? map;
     if (yamlStr.length > 5) {
       YamlMap data = loadYaml(yamlStr);
diff --git a/lib/oto/data/command_data.dart b/lib/oto/data/command_data.dart
index aed27a0..e1bfc42 100644
--- a/lib/oto/data/command_data.dart
+++ b/lib/oto/data/command_data.dart
@@ -14,6 +14,7 @@ part 'command_data.g.dart';
 /// ***************************** Base Data ****************************///
 @JsonSerializable()
 class DataBuild {
+  late DataScheduler? scheduler;
   late Map<String, dynamic>? property;
   late DataPipeline? pipeline;
   late List<DataCommand> commands;
@@ -25,6 +26,19 @@ class DataBuild {
   Map<String, dynamic> toJson() => _$DataBuildToJson(this);
 }
 
+@JsonSerializable()
+class DataScheduler {
+  late String alias;
+  late String cron;
+  late bool? enableLog;
+
+  DataScheduler();
+
+  factory DataScheduler.fromJson(Map<String, dynamic> json) =>
+      _$DataSchedulerFromJson(json);
+  Map<String, dynamic> toJson() => _$DataSchedulerToJson(this);
+}
+
 @JsonSerializable()
 class DataCommand {
   DataCommand();
diff --git a/lib/oto/data/command_data.g.dart b/lib/oto/data/command_data.g.dart
index 6ac5a2b..c26e1f2 100644
--- a/lib/oto/data/command_data.g.dart
+++ b/lib/oto/data/command_data.g.dart
@@ -7,6 +7,9 @@ part of 'command_data.dart';
 // **************************************************************************
 
 DataBuild _$DataBuildFromJson(Map<String, dynamic> json) => DataBuild()
+  ..scheduler = json['scheduler'] == null
+      ? null
+      : DataScheduler.fromJson(json['scheduler'] as Map<String, dynamic>)
   ..property = json['property'] as Map<String, dynamic>?
   ..pipeline = json['pipeline'] == null
       ? null
@@ -16,11 +19,25 @@ DataBuild _$DataBuildFromJson(Map<String, dynamic> json) => DataBuild()
       .toList();
 
 Map<String, dynamic> _$DataBuildToJson(DataBuild instance) => <String, dynamic>{
+      'scheduler': instance.scheduler,
       'property': instance.property,
       'pipeline': instance.pipeline,
       'commands': instance.commands,
     };
 
+DataScheduler _$DataSchedulerFromJson(Map<String, dynamic> json) =>
+    DataScheduler()
+      ..alias = json['alias'] as String
+      ..cron = json['cron'] as String
+      ..enableLog = json['enableLog'] as bool?;
+
+Map<String, dynamic> _$DataSchedulerToJson(DataScheduler instance) =>
+    <String, dynamic>{
+      'alias': instance.alias,
+      'cron': instance.cron,
+      'enableLog': instance.enableLog,
+    };
+
 DataCommand _$DataCommandFromJson(Map<String, dynamic> json) => DataCommand()
   ..command = $enumDecode(_$CommandTypeEnumMap, json['command'])
   ..id = json['id'] as String
diff --git a/pubspec.yaml b/pubspec.yaml
index 9957913..a23bd68 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -19,6 +19,7 @@ dependencies:
      ref: master
   color: ^3.0.0
   file_hasher: ^0.1.0+0
+  cron: ^0.6.1
 
 dev_dependencies:
   lints: ^5.0.0