• UMB Unix Lab Facebook Group
• Git - Version Control System
• My favorite Git tutorial ever
• Git Tutorials Playlist
• Using SSH Secure Shell Client
• Sublime Text 2
  (my preferred, go-to text editor; offers many advanced features useful for programmers and developers)
• Sublime Text 2 tutorial videos
• Sublime Text guide in Russian
• Sublime Text guide in Chinese (This version may refer to Sublime Text 3)
• Sublime Text 2 Tricks and Tips (Chinese)
• Sublime Text tutorial in Korean