libuser 1:0.60~dfsg-1.2 (arm64 binary) in ubuntu xenial

 The libuser library implements a standardized interface for manipulating
 and administering user and group accounts. The library uses pluggable
 back-ends to interface to its data sources.
 .
 Sample applications modeled after those included with the shadow password
 suite are included: lchsh, lchfn, lid, lnewusers, lgroupadd, luseradd,
 lgroupdel, luserdel, lusermod, lgroupmod, lchage and lpasswd.