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.