November 16, 2005 USERINFO 8

### NAME

userinfo - displays user information

### SYNOPSIS

userinfo [-e] user

### DESCRIPTION

The userinfo utility retrieves the user information from the system. The userinfo utility is only available if built with ```EXTENSIONS`. See user(8) for more information.

The following command line option is recognised:

-e
  Return 0 if the user exists, and non-zero if the user does not exist, on the system. No information is displayed. This form of the command is useful for scripts which need to check whether a particular user name or uid is already in use on the system.

The user argument may either be a user's name, or a uid.

### EXIT STATUS

### SEE ALSO

passwd(5), group(8), user(8), useradd(8), userdel(8)

### HISTORY

The userinfo utility first appeared in NetBSD1.5. It is based on the addnerd package by the same author.

### AUTHORS

The userinfo utility was written by Alistair G. Crooks
<agc@NetBSD.org>.