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Each entry in idata maps a user login on a remote system to a login on the local system. A sample idata file is shown below:
!M1@M2.M3.M4.M5 root@joker.sf.buu.com root *@*.sf.buu.com %1 *@*.tm.buu.com guest ilya@*.*.*.* ilyaNote that the example includes regular expressions, which are used to map remote users transparently or to map multiple users to a general login. The use of regular expressions in the idata file is explained in detail in ``Adding an entry to an idata file''.
All entries in an idata file are specified by the system administrator. When a remote user has an entry in idata, that user can access a service on the local system and assume the user identity defined by the administrator.
The idadmin command is the command interface to idata. It allows a privileged user to do the following:
See idadmin(1Mbnu) for more details.
The options and command syntax required to execute a particular operation are described in the following sections.