diff --git a/README.references.txt b/README.references.txt
index ac2be59..f01f2cf 100644
--- a/README.references.txt
+++ b/README.references.txt
@@ -14,10 +14,28 @@ Close window
 https://docs.microsoft.com/en-us/windows/win32/learnwin32/closing-the-window
 
 
+Get processes
+
+(EnumProcesses function)
+https://www.qtcentre.org/threads/46145-Get-All-Running-Process-Win32
+
+
+
 X11
 ==========================================
 
 
+Get processes (parent pid, pid and arguments)
+
+ps -eo ppid,pid,args
+
+
+qint64 QCoreApplication::applicationPid() to get systrayx pid -> parent pid -> tb window.
+
+
+ps -p [PID] -o ppid
+
+
 Bash 
 
 xwininfo -tree -root
diff --git a/app/SysTray-X/preferences.cpp b/app/SysTray-X/preferences.cpp
index 8e2bb02..3f4f5da 100644
--- a/app/SysTray-X/preferences.cpp
+++ b/app/SysTray-X/preferences.cpp
@@ -1,5 +1,18 @@
 #include "preferences.h"
 
+/*
+ *	Local includes
+ */
+
+
+/*
+ *  System includes
+ */
+
+/*
+ *	Qt includes
+ */
+
 /**
  * @brief Preferences.  Constructor.
  */
diff --git a/app/SysTray-X/windowctrl-unix.cpp b/app/SysTray-X/windowctrl-unix.cpp
index 334c465..66b082a 100644
--- a/app/SysTray-X/windowctrl-unix.cpp
+++ b/app/SysTray-X/windowctrl-unix.cpp
@@ -5,6 +5,7 @@
 /*
  *  System includes
  */
+#include <unistd.h>
 #include <X11/Xatom.h>
 #include <X11/Xutil.h>
 
@@ -23,6 +24,15 @@ WindowCtrlUnix::WindowCtrlUnix( QObject *parent ) : QObject( parent )
 }
 
 
+/*
+ *  Get the parent pid of SysTray-X, TB hopefully
+ */
+qint64  WindowCtrlUnix::getPpid()
+{
+    return getppid();
+}
+
+
 /*
  *  Find window(s) by title
  */
diff --git a/app/SysTray-X/windowctrl-unix.h b/app/SysTray-X/windowctrl-unix.h
index 9df014d..c2ebedd 100644
--- a/app/SysTray-X/windowctrl-unix.h
+++ b/app/SysTray-X/windowctrl-unix.h
@@ -110,6 +110,13 @@ class WindowCtrlUnix : public QObject
          */
         explicit WindowCtrlUnix( QObject *parent = nullptr );
 
+        /**
+         * @brief getPpid. Get the parent process id.
+         *
+         *  @return     The ppid
+         */
+        qint64  getPpid();
+
         /**
          * @brief findWindow. Find window with title.
          *
diff --git a/app/SysTray-X/windowctrl.cpp b/app/SysTray-X/windowctrl.cpp
index 59ac7ad..767b29f 100644
--- a/app/SysTray-X/windowctrl.cpp
+++ b/app/SysTray-X/windowctrl.cpp
@@ -3,6 +3,7 @@
  */
 #include <QWidget>
 #include <QWindow>
+#include <QCoreApplication>
 
 /*
  *  Main include
@@ -35,6 +36,12 @@ WindowCtrl::WindowCtrl( Preferences* pref, QObject *parent ) :
      *  Initialize
      */
     m_minimize_hide = m_pref->getMinimizeHide();
+
+    /*
+     *  Get pids
+     */
+    m_pid = QCoreApplication::applicationPid();
+    m_ppid = getPpid();
 }
 
 
@@ -70,6 +77,9 @@ void    WindowCtrl::slotWindowTest3()
 
     // Do something.
 
+    emit signalConsole( QString( "Pid %1" ).arg( m_pid ) );
+    emit signalConsole( QString( "Ppid %1" ).arg( m_ppid ) );
+
     emit signalConsole("Test 3 done");
 }
 
diff --git a/app/SysTray-X/windowctrl.h b/app/SysTray-X/windowctrl.h
index 98232e8..452f90c 100644
--- a/app/SysTray-X/windowctrl.h
+++ b/app/SysTray-X/windowctrl.h
@@ -95,6 +95,16 @@ class WindowCtrl : public QObject
          */
         Preferences*    m_pref;
 
+        /**
+         * @brief m_pid. SysTray-X process pid.
+         */
+        qint64  m_pid;
+
+        /**
+         * @brief m_ppid. SysTray-X parent process pid.
+         */
+        qint64  m_ppid;
+
         /**
          * @brief m_tb_window. Pointer to the TB window.
          */