How to add new objects to Active Directory from command line

H:\>dsadd /?
Description: This tool's commands add specific types of objects to the
directory. The dsadd commands:

dsadd computer - adds a computer to the directory.
dsadd contact - adds a contact to the directory.
dsadd group - adds a group to the directory.
dsadd ou - adds an organizational unit to the directory.
dsadd user - adds a user to the directory.
dsadd quota - adds a quota specification to a directory partition.

For help on a specific command, type "dsadd /?" where
is one of the supported object types shown above.
For example, dsadd ou /?.
Remarks:
Commas that are not used as separators in distinguished names must be
escaped with the backslash ("\") character
(for example, "CN=Company\, Inc.,CN=Users,DC=microsoft,DC=com").
Backslashes used in distinguished names must be escaped with a backslash
(for example,
"CN=Sales\\ Latin America,OU=Distribution Lists,DC=microsoft,DC=com").

Source: infotechguyz