diff --git a/bin/pm2 b/bin/pm2
index 334b60f37..3f6a6e735 100755
--- a/bin/pm2
+++ b/bin/pm2
@@ -487,9 +487,14 @@ commander.command('reloadLogs')
 // Log streaming
 //
 commander.command('logs [id|name]')
+  .option('--lines <N>', 'output the last N lines, instead of the last 20')
   .description('stream logs file. Default stream all logs')
-  .action(function(id) {
-    CLI.streamLogs(id);
+  .action(function(id, cmd) {
+    var line = 20;
+    if(typeof cmd.lines == 'number'){
+      line = cmd.lines;
+    }
+    CLI.streamLogs(id, line);
   });
 
 commander.command('ilogs')
diff --git a/lib/CLI.js b/lib/CLI.js
index 2907408ec..054cc6371 100644
--- a/lib/CLI.js
+++ b/lib/CLI.js
@@ -1239,40 +1239,41 @@ CLI.monit = function(cb) {
  * @param {} id
  * @return
  */
-function fallbackLogStream(id) {
+function fallbackLogStream(id, lines) {
+  lines = lines || 20;
   Satan.executeRemote('getMonitorData', {}, function(err, list) {
     if (err) {
       printError(err);
       exitCli(cst.ERROR_EXIT);
     }
 
-    Log.stream(cst.PM2_LOG_FILE_PATH, 'PM2');
+    Log.stream(cst.PM2_LOG_FILE_PATH, lines);
 
     printOut('########### Starting streaming logs for [%s] process', id || 'all');
     list.forEach(function(proc) {
       if ((!id || (id && !isNaN(parseInt(id)) && proc.pm_id == id)) ||
           (!id || (id && isNaN(parseInt(id)) && proc.pm2_env.name == id))) {
-        var app_name = proc.pm2_env.name || p.basename(proc.pm2_env.pm_exec_path);
-
-        if (proc.pm2_env.pm_log_path) {
-          Log.stream(proc.pm2_env.pm_log_path,
-            app_name + '-' + proc.pm_id + ' (entire)');
-        } else {
-          if (proc.pm2_env.pm_out_log_path)
-            Log.stream(proc.pm2_env.pm_out_log_path,
-              app_name + '-' + proc.pm_id + ' (out)');
-          if (proc.pm2_env.pm_err_log_path)
-            Log.stream(proc.pm2_env.pm_err_log_path,
-              app_name + '-' + proc.pm_id + ' (err)');
-        }
+        var app_name = (proc.pm2_env.name || p.basename(proc.pm2_env.pm_exec_path)) + '-' + proc.pm_id;
+
+        ['', 'out', 'err'].some(function(n){
+          var pk = 'pm_' + (n ? n + '_':'') + 'log_path';
+          if(pk in proc.pm2_env){
+            Log.stream({
+              path: proc.pm2_env[pk],
+              type: n
+            }, app_name + '(' + (!n ? 'entire' : n) + ')', lines);
+            return !n;
+          }
+          return false;
+        });
       }
     });
 
   });
 }
 
-CLI.streamLogs = function(id) {
-  fallbackLogStream(id);
+CLI.streamLogs = function(id, lines) {
+  fallbackLogStream(id, lines);
 };
 
 CLI.ilogs = function() {
@@ -1474,7 +1475,7 @@ function speedList() {
       if (Satan._noDaemonMode) {
         printOut('--no-daemon option enabled = do not exit pm2 CLI');
         printOut('PM2 dameon PID = %s', fs.readFileSync(cst.PM2_PID_FILE_PATH));
-        return Log.stream(cst.PM2_LOG_FILE_PATH, 'PM2', 0);
+        return Log.stream(cst.PM2_LOG_FILE_PATH);
       }
       else {
         return exitCli(cst.SUCCESS_EXIT);
diff --git a/lib/Log.js b/lib/Log.js
index 4867c24a8..3cefc5c57 100644
--- a/lib/Log.js
+++ b/lib/Log.js
@@ -1,93 +1,78 @@
-//
-// Display a file in streaming
-//
-var fs = require('fs');
+var fs    = require('fs'),
+    chalk = require('chalk'),
+    spawn = require('child_process').spawn;
 
-var colors = [
-  '\x1B[34m', // blue
-  '\x1B[36m', // cyan
-  '\x1B[32m', // green
-  '\x1B[35m', // magenta
-  '\x1B[31m', // red
-  '\x1B[90m', // grey
-  '\x1B[33m'  // yellow
-];
+var Log = module.exports = {};
 
-var gl_idx = 0;
-var db = [];
+// Empty line.
+var re_blank = /^[\s\r\t]*$/;
 
-var Log = module.exports = {};
+/**
+ * Styles of title and content.
+ * @type {{def: {title: string, content: string}, out: {title: string, content: string}, err: {title: string, content: string}}}
+ */
+Log.styles = {
+  def: {title: 'blue', content: 'grey'},
+  out: {title: 'green', content: 'black'},
+  err: {title: 'red', content: 'red'}
+};
 
 /**
- * Description
- * @method stream
- * @param {} path
- * @param {} title
- * @return
+ * Tail logs from file stream.
+ * @param {String|Object} path
+ * @param {String} title
+ * @param {Number} lines
+ * @returns {*}
  */
-Log.stream = function(path, title, read_bytes) {
-  if (title === undefined)
-    title = gl_idx;
+Log.stream = function(path, title, lines){
+  var type = 'def';
 
-  try {
-    var currSize = fs.statSync(path).size - (typeof(read_bytes) === 'undefined' ? 1000 : read_bytes);
-    currSize = currSize > 0 ? currSize : 0;
-  } catch(e) {
-    if (e.code == 'ENOENT')
-      console.log('%s with %s file not found', title, path);
-    return false;
+  // Make options in the right position.
+  if (typeof path == 'object') {
+    type = !path.type ? 'def' : path.type;
+    path = path.path;
   }
+  if (typeof title == 'number') {
+    lines = title;
+    title = null;
+  }
+  lines = lines || 20;
 
-  var odb = db[title] = {color : colors[gl_idx++ % colors.length], l : 0};
+  title = '[' + (title || 'PM2') + ']';
 
-  var _stream = function() {
-    fs.stat(path, function(err, stat) {
-      var prevSize = stat.size;
+  var style = Log.styles[type] || 'blue';
 
-      if (currSize > prevSize) return true;
+  // Check file exist or not.
+  if (!fs.existsSync(path)) {
+    return console.info(chalk.bold.red(title), chalk.red('Log file "' + path + '" does not exist.'));
+  }
 
-      var rstream = fs.createReadStream(path, {
-        encoding : 'utf8',
-        start : currSize,
-        end : prevSize
-      });
+  // Tail logs.
+  var tail = spawn('tail', ['-f', '-n', lines, path], {
+    // Kill the spawned process by `tail.kill('SIGTERM')`.
+    killSignal: 'SIGTERM',
+    stdio     : [null, 'pipe', 'pipe']
+  });
 
-      rstream.on('data', function(data) {
-        print_data(odb, title, data);
-      });
+  // Use utf8 encoding.
+  tail.stdio.forEach(function(stdio){
+    stdio.setEncoding('utf8');
+  });
 
-      currSize = stat.size;
-      return true;
+  // stdout.
+  tail.stdout.on('data', function(data){
+    data.split(/\n/).forEach(function(line){
+      if (!re_blank.test(line)) {
+        console.info(chalk.bold[style.title](title), chalk[style.content](line));
+      }
     });
-  };
-
-  _stream();
-
-  fs.watch(path, function(ev, filename) {
-    if (ev == 'rename')
-      return console.error('Renaming file ?');
-
-    _stream();
-    return true;
   });
-};
 
-//
-// Privates
-//
-/**
- * Description
- * @method print_data
- * @param {} odb
- * @param {} title
- * @param {} data
- * @return
- */
-function print_data(odb, title, data) {
-  var lines = data.split('\n');
-
-  lines.forEach(function(l) {
-    if (l)
-      console.log(odb.color + '[%s]\x1B[39m %s', title, l);
+  // handle error.
+  tail.stderr.on('data', function(data){
+    tail.disconnect();
+    console.info(chalk.bold.red(title), chalk.red(data.toString().replace(/\n/, '')));
   });
-}
+
+  return tail;
+};