AIX Long Usernames
From UNIX Systems Administration
Enabling Long Usernames
The user and group name length limit from 8 to 255. The name length limitation is retrievable and configurable both pro-grammatically and through commands.
- To retrieve current value of usernames and groupnames.
- # lsattr -El max_logname
- To set the value of username and groupname length.
- # chdev -l sys0 -a max_logname=<range 8-255>
- A reboot of the system is required to apply the changes.