Launching command prompt (cmd) on remote Windows machines

Another feature, I was always missing in Windows, is the ability to launch the command prompt on the remote windows machines.
In Unix it's trivial: telnet or ssh allows to launch the shell.

It appears that in Windows PsExec of the Sysinternal Suite solves this problem:
The following command launches an interactive command prompt on \\marklap:

psexec \\marklap cmd