diff --git a/bin/pm2 b/bin/pm2
index 37bc5c82..a3b89870 100755
--- a/bin/pm2
+++ b/bin/pm2
@@ -578,6 +578,15 @@ commander.command('dump')
     pm2.dump();
   }));
 
+//
+// Save processes to file
+//
+commander.command('send <pm_id> <line>')
+  .description('send stdin to <pm_id>')
+  .action(function(pm_id, line) {
+    pm2.sendLineToStdin(pm_id, line);
+  });
+
 //
 // Resurrect
 //
diff --git a/examples/stdin.js b/examples/stdin.js
new file mode 100644
index 00000000..5037d47a
--- /dev/null
+++ b/examples/stdin.js
@@ -0,0 +1,17 @@
+
+const readline = require('readline');
+
+const rl = readline.createInterface({
+  input: process.stdin,
+  output: process.stdout
+});
+
+rl.prompt();
+
+rl.on('line', (data) =>{
+  console.log('Received data');
+  console.log(data);
+});
+
+setInterval(() => {
+}, 100);
diff --git a/lib/API/Extra.js b/lib/API/Extra.js
index 0c812423..aecbc839 100644
--- a/lib/API/Extra.js
+++ b/lib/API/Extra.js
@@ -86,6 +86,31 @@ module.exports = function(CLI) {
     }
   };
 
+  /**
+   * Description
+   * @method sendDataToProcessId
+   */
+  CLI.prototype.sendLineToStdin = function(pm_id, line, cb) {
+    var that = this;
+
+    var packet = {
+      id : pm_id,
+      line : line
+    };
+
+    that.Client.executeRemote('sendLineToStdin', {
+      pm_id : pm_id,
+      line : line
+    }, function(err, res) {
+      if (err) {
+        Common.printError(cst.PREFIX_MSG_ERR + err);
+        return cb ? cb(Common.retErr(err)) : that.exitCli(cst.ERROR_EXIT);
+      }
+      Common.printOut(cst.PREFIX_MSG + 'Line "%s" sent to process id "%s"', line, pm_id);
+      return cb ? cb(null, res) : that.speedList();
+    });
+  };
+
   /**
    * Description
    * @method sendDataToProcessId
diff --git a/lib/Daemon.js b/lib/Daemon.js
index 9ba79207..d5608590 100644
--- a/lib/Daemon.js
+++ b/lib/Daemon.js
@@ -187,6 +187,7 @@ Daemon.prototype.innerStart = function(cb) {
     restartProcessId        : God.restartProcessId,
     deleteProcessId         : God.deleteProcessId,
 
+    sendLineToStdin         : God.sendLineToStdin,
     softReloadProcessId     : God.softReloadProcessId,
     reloadProcessId         : God.reloadProcessId,
     duplicateProcessId      : God.duplicateProcessId,
diff --git a/lib/God/ActionMethods.js b/lib/God/ActionMethods.js
index bb4b5557..66236dcf 100644
--- a/lib/God/ActionMethods.js
+++ b/lib/God/ActionMethods.js
@@ -518,7 +518,6 @@ module.exports = function(God) {
     }
 
     if (env) {
-      //env.pm2_env.env.watch = !env.pm2_env.env.watch;
       env.pm2_env.watch = !env.pm2_env.watch;
       if (env.pm2_env.watch)
         God.watch.enable(env.pm2_env);
@@ -596,6 +595,42 @@ module.exports = function(God) {
     return cb(null, {});
   };
 
+  /**
+   * Send Line To Stdin
+   * @method sendLineToStdin
+   * @param Object packet
+   * @param String pm_id Process ID
+   * @param String line  Line to send to process stdin
+   */
+  God.sendLineToStdin = function(packet, cb) {
+    if (typeof(packet.pm_id) == undefined || !packet.line)
+      return cb(God.logAndGenerateError('pm_id or line field is missing'), {});
+
+    var pm_id = packet.pm_id;
+    var line  = packet.line;
+    var proc = God.clusters_db[pm_id];
+
+    if (!proc)
+      return cb(God.logAndGenerateError('Process with ID <' + pm_id + '> unknown.'), {});
+
+    if (proc.pm2_env.exec_mode == 'cluster_mode')
+      return cb(God.logAndGenerateError('Cannot send line to processes in cluster mode'), {});
+
+    if (proc.pm2_env.status != cst.ONLINE_STATUS && proc.pm2_env.status != cst.LAUNCHING_STATUS)
+      return cb(God.logAndGenerateError('Process with ID <' + pm_id + '> offline.'), {});
+
+    try {
+      proc.stdin.write(line + '\n', function() {
+        return cb(null, {
+          pm_id : pm_id,
+          line : line
+        });
+      });
+    } catch(e) {
+      return cb(God.logAndGenerateError(e), {});
+    }
+  }
+
   God.sendDataToProcessId = function(packet, cb) {
     if (typeof(packet.id) == undefined ||
         !packet.data ||
@@ -608,10 +643,10 @@ module.exports = function(God) {
     var proc = God.clusters_db[pm_id];
 
     if (!proc)
-      return cb(God.logAndGenerateError('Process with ID ', pm_id, ' unknown!'), {});
+      return cb(God.logAndGenerateError('Process with ID <' + pm_id + '> unknown.'), {});
 
     if (proc.pm2_env.status != cst.ONLINE_STATUS && proc.pm2_env.status != cst.LAUNCHING_STATUS)
-      return cb(God.logAndGenerateError('Process with ID ', pm_id, ' unknown!'), {});
+      return cb(God.logAndGenerateError('Process with ID <' + pm_id + '> offline.'), {});
 
     try {
       proc.send(packet);
diff --git a/test/fixtures/stdin/stdin.js b/test/fixtures/stdin/stdin.js
new file mode 100644
index 00000000..5cc6c9d9
--- /dev/null
+++ b/test/fixtures/stdin/stdin.js
@@ -0,0 +1,16 @@
+
+const readline = require('readline');
+
+const rl = readline.createInterface({
+  input: process.stdin,
+  output: process.stdout
+});
+
+rl.prompt();
+
+rl.on('line', (line) =>{
+  console.log('Line %s received', line);
+});
+
+setInterval(() => {
+}, 100);