PWCONV(8) System Manager's Manual PWCONV(8) pwconv, pwunconv, grpconv, grpunconv - shadow pwconv pwunconv grpconv grpunconv 4 shadow /etc/passwd ", " /etc/group ", " /etc/shadow ", " /etc/gshadow pwconv passwd shadow ( shadow ) pwunconv passwd shadow passwd shadow grpconv group gshadow ( gshadow ) grpunconv group gshadow group gshadow pwconv grpconv shadow shadow `x' `x' shadow /etc/shadow pwconv /etc/login.defs PASS_MIN_DAYS, PASS_MAX_DAYS, PASS_WARN_AGE pwunconv grpunconv shadow shadow shadow pwunconv () shadow shadow pwck grpck login.defs(5), grpck(8), pwck(8) 26 Sep 1997 PWCONV(8)