AIX Long Usernames

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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.

  1. To retrieve current value of usernames and groupnames.
    # lsattr -El max_logname
  2. To set the value of username and groupname length.
    # chdev -l sys0 -a max_logname=<range 8-255>
  3. A reboot of the system is required to apply the changes.

Further Reading

  1. Long Username & groupname support in AIX