Microsoft DOS dosshell command
Dosshell is an application that allows a user to use a partial GUI, so new DOS users can utilize the computer more efficiently.
The dosshell command is an external command that is available in the below Microsoft operating systems. In MS-DOS 4.x and 5.x dosshell.com was used as the external file. In MS-DOS 6 dosshell.exe was used as the external fie.
DOSSHELL [/T[:res[n]]] [/B]
DOSSHELL [/G[:res[n]]] [/B]
|/T||Starts MS-DOS Shell in text mode.|
|:res[n]||A letter (L, M, H) and number indicating screen resolution.|
|/B||Starts MS-DOS Shell using black-and-white color scheme.|
|/G||Starts MS-DOS Shell in graphics mode.|
This would load the new dosshell window on top of the previous DOS session; to exit out of the dos session you're in, type exit.