windows - What is the difference between user variables and system variables? -


what difference between user variables such path, tmp, etc. , system variables?

i accidentally deleted user variable path. supposed do?

right-click computer , go properties->advanced->environmental variables...

what's above user variables, , below system variables. elements combined when creating environment application. system variables shared users, user variables account/profile.

if deleted system ones accident, bring registry editor, go hklm\controlset002\control\session manager\environment (assuming current control set not controlset002). find path value , copy data path value of hklm\currentcontrolset\control\session manager\environment. might need reboot computer. (hopefully, these backups weren't long ago, , contain info need.)


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