1. Adding prefix to all filenames in folder
  2. Create a set of subfolders in each of multiple folders (Windows)
  3. Create an empty file from command line (Windows)
  4. Create an empty file in DOS
  5. Create multiple folders at once in Windows Command Prompt
  6. Extract tar.bz2
  7. Extract tar.gz
  8. Get folder size in Linux command line
  9. Get the total size of multiple folders in Linux command line
  10. Listing only filenames with DIR command
  11. Listing only files with a specific extension by DIR command
  12. Listing only folder names with DIR command
  13. Renaming files in DOS
  14. Renaming folders in DOS
  15. Unzipping multiple files. Linux