*Linux system programming free course* https://www.linkedin.com/posts/reda-maher_%D9%85%D8%B3%D8%AA%D8%B9%D8%AF%D9%8A%D9%86-%D9%84%D9%83%D9%88%D8%B1%D8%B3-%D8%A7%D9%84%D9%84%D9%8A%D9%86%D9%83%D8%B3-%D9%85%D9%86-%D8%AC%D8%AF%D9%8A%D8%AF-%D9%87%D9%86%D8%A8%D8%AF%D8%A3-%D9%85%D8%AC%D9%85%D9%88%D8%B9%D8%A9-activity-7337155892720594944-hoJo?utm_source=share&utm_medium=member_android&rcm=ACoAAD5mzkMBoOLRTIyBo1hdJtIhUC09w47fM3A