Disable Command Extensions (For All Users).

By using this tweak you can control whether command extensions are enabled or disabled.

Level: Recommended For Experts Only

Description:
Command extensions are used to change the behavior of various standard command processor functions such as cd, md, del, prompt and set. They are enabled by default. By using this tweak you can control whether command extensions are enabled or disabled. The command extensions involve changes and/or additions to the following commands: del or erase, color, cd or chdir, md or mkdir, prompt, pushd, popd, set, setlocal, endlocal, if, for, call, shift, goto, start (also includes changes to external command invocation), assoc, ftype. For this, go to start > run menu, enter regedit and navigate to the registry paths listed below. Now, right-click and modify the dword value enableextensions, in the right panel, to disable command extensions. However, if you want to get back to the original state and enable command extensions, change the value to 1. Remember: if you change both the hkey_local_machine and hkey_current_user settings, the local machine settings will take precedence over the current user settings. The changes take effect after a restart or logoff. Note: to get specific details, type commandname /? to view the help. You may also disable extensions for a particular invocation by using the /e:off switch. When editing the registry it is highly recommended to run a quick scan for optimization, you can test your system now for free.