From the modprpw man page, no aging is present if the following 4 database parameters are all zero:
• u_minchg
• u_exp
• u_life
• u_pw_expire_warning
• In trusted system.
# /usr/lbin/modprpw -l -m mintm=0,exptm=0,expwarn=0,lftm=0 <USER-ID>
• In non-trusted system.
# passwd -x -1 <USER-ID>
