For more information, see Using Your Assigned Administrative Rights in Securing Users and Processes in Oracle Solaris 11.4.
If the system has several partitions, install the partitions under separate directories, for example, /export/home1 and /export/home2.
Whenever you create a new user account, type the location of the user's home directory in the auto_home map. Map entries can be simple, for example:
user1 system1:/export/home1/& user2 system1:/export/home1/& user3 system2:/export/home2/& user4 system1:/export/home3/&
Notice the use of the & (ampersand) as a substitute for the map key. The ampersand is an abbreviation for the second occurrence of user1 in the following example: