How to Remove a User or Group Mapping Rule

Become an administrator.

For more information, see Using Your Assigned Administrative Rights in Securing Users and Processes in Oracle Solaris 11.4.
Find the user or group mapping that you want to remove.
```
$ idmap list
```
For example, to find all user mappings that map to the Oracle Solaris user pat, you would type:
```
$ idmap list | grep pat
```
For example, to find all unidirectional group mappings that map to the Oracle Solaris group staff, type:
```
$ idmap list | grep staff
```
Remove one or more mappings.
- Remove one or more user mappings.
  - To remove any rule-based mapping that involves the specified user name, username:
```
$ idmap remove username
```
  - To remove rule-based mappings between username1 and username2:
```
$ idmap remove username1 username2
```
  - To remove all rule-based mappings:
```
$ idmap remove -a
```
- Remove one or more group mappings.
  - To remove any rule-based mapping that involves the specified group name, group-name:
```
$ idmap remove group-name
```
  - To remove rule-based mappings between group-name1 and group-name2:
```
$ idmap remove group-name1 group-name2
```
  - To remove all rule-based mappings:
```
$ idmap remove -a
```