Reset Password and Force Change at Logon for an Entire OU:

dsquery user "OU=London,OU=Staff,DC=vmadmin,DC=local" | dsmod user -pwd Password1 -mustchpwd yes

Change "company" AD attribute for all Users in an Entire OU:

dsquery user "OU=London,OU=Staff,DC=vmadmin,DC=local" | dsmod user -company "VMadmin"

Return the DN of all users in an OU:
dsquery user "OU=London,OU=Staff,DC=vmadmin,DC=local"

"CN=User1,OU=London,OU=Staff,DC=vmadmin,DC=local"
"CN=User2,OU=London,OU=Staff,DC=vmadmin,DC=local"
"CN=User3,OU=London,OU=Staff,DC=vmadmin,DC=local"

Return the DN of all users in an OU, then get all the groups the users are a member of:
dsquery user "OU=London,OU=Groups,DC=vmadmin,DC=local" | dsget user -memberof
"CN=Group1,OU=London,OU=Groups,DC=vmadmin,DC=local"
"CN=Group2,OU=London,OU=Groups,DC=vmadmin,DC=local"
"CN=Group3,OU=London,OU=Groups,DC=vmadmin,DC=local"

Return the DN of all users in an OU, then get all the groups the users are a member of and use recursion:
dsquery user "OU=London,OU=Staff,DC=vmadmin,DC=local" | dsget user -memberof -expand
"CN=Group1,OU=London,OU=Groups,DC=vmadmin,DC=local"
"CN=Group2,OU=London,OU=Groups,DC=vmadmin,DC=local"
"CN=Group3,OU=London,OU=Groups,DC=vmadmin,DC=local"
"CN=Group4,OU=London,OU=Groups,DC=vmadmin,DC=local"
"CN=Group5,OU=London,OU=Groups,DC=vmadmin,DC=local"

Return the DN of all users in an OU, then get all the groups the users are a member of and use recursion. Then return the name of all the groups:
dsquery user "OU=London,OU=Staff,DC=vmadmin,DC=local" | dsget user -memberof -expand | dsget group -samid

  samid
  Group1
  Group2
  Group3
  Group4
  Group5
Get all the groups a user is a member of and use recursion. Then return the name of all the groups:
dsquery user "CN=User3,OU=London,OU=Staff,DC=vmadmin,DC=local" | dsget user -memberof -expand | dsget group -samid

  samid
  Group1
  Group2

Create an OU:

dsadd ou "ou=London,dc=domain,dc=local"

Create a Group:

dsadd group "cn=London Users,ou=London,dc=domain,dc=local"

Create a User:
dsadd user "cn=JoeUser1,ou=London,dc=domain,dc=local"

Add a User to a Group:

dsmod group "cn=LondonUsers,ou=London,dc=domain,dc=local" -addmbr "cn=JoeUser1,ou=London,dc=domain,dc=local"

Find User Beggining with "J" and Return Matching Users "samid" and "department" Attributes:

dsquery user domainroot -name J* | dsget user -samid -dept

Move an OU:

dsmove "ou=LiverpoolStreetOffice,dc=domain,dc=local" -newparent "ou=London,dc=domain,dc=local"

Rename and OU:
dsmove "cn=LondonUsers,ou=London,dc=domain,dc=local" -newname LondonStaff

Remove an OU and all its Subtree Without Prompting:

dsrm -noprompt -subtree "ou=deleteme,dc=domain,dc=local"