相信很多的黑客朋友当进入一台远程电脑的时候最想得到的就是密码文件，然后自己破解一下就是这台电脑的系统管理员了，嘿嘿!可是密码文件在哪呢？听小编给你说一说!
AIX 3 /etc/security/passwd !
or /tcb/auth/files/
of userna /
A/UX 3.0s /tcb/files/auth/?/*
BSD4.3-Reno /etc/master.passwd *
ConvexOS 10 /etc/shadpw *
ConvexOS 11 /etc/shadow *
DG/UX /etc/tcb/aa/user/ *
EP/IX /etc/shadow x
HP-UX /.secure/etc/passwd *
IRIX 5 /etc/shadow x
Linux 1.1 /etc/shadow *
OSF/1 /etc/passwd[.dir .pag] *
SCO Unix #.2.x /tcb/auth/files/
of userna /
SunOS4.1+c2 /etc/security/passwd.adjunct ##username
SunOS 5.0 /etc/shadow
System V Release 4.0 /etc/shadow x
System V Release 4.2 /etc/security/* database
Ultrix 4 /etc/auth[.dir .pag] *
UNICOS /etc/udb *
各种系统中密码文件的位置
原文：http://www.jb51.net/article/1375.htm
