使用chage（change age）命令也可以修改用户账号密码的时间参数，而且可以直观显示。
chage命令行选项：
|
选项 |
含义 |
|
-l |
列出用户账号密码的详细时间参数 |
|
-d |
修改密码修改日期，/etc/shadow中第三字段，为0表示第一次登陆强制修改密码 |
|
-m |
修改密码冻结天数，/etc/shadow中第四字段 |
|
-M |
修改密码有效天数，/etc/shadow中第五字段 |
|
-W |
修改密码警告天数，/etc/shadow中第六字段 |
|
-I |
修改密码宽限天数，/etc/shadow中第七字段，为-1表示不会失效 |
|
-E |
修改账号失效日期，/etc/shadow中第八字段 |
[root@localhost ~]# chage -d 2013-03-01 -m 5 -M 180 -W 7 -I 10 -E 2013-12-30 stone
#修改stone的账号密码时间参数
[root@localhost ~]# chage -l stone
Last password change : Mar 01, 2013
Password expires : Aug 28, 2013
Password inactive : Sep 07, 2013
Account expires : Dec 30, 2013
Minimum number of days between password change : 5
Maximum number of days between password change : 180
Number of days of warning before password expires : 7
#列出stone的账号时间参数
[root@localhost ~]# chage stone
Changing the aging information for stone
Enter the new value, or press ENTER for the default
Minimum Password Age [5]: 6
Maximum Password Age [180]: 150
Last Password Change (YYYY-MM-DD) [2013-03-01]: 2013-3-10
Password Expiration Warning [7]: 5
Password Inactive [10]: 7
Account Expiration Date (YYYY-MM-DD) [2013-12-30]: 2013-10-1
#不使用命令选项直接加用户名，可交互修改账户时间参数
[root@localhost ~]# chage -l stone
Last password change : Mar 10, 2013
Password expires : Aug 07, 2013
Password inactive : Aug 14, 2013
Account expires : Oct 01, 2013
Minimum number of days between password change : 6
Maximum number of days between password change : 150
Number of days of warning before password expires : 5
[root@localhost ~]# useradd agetest
[root@localhost ~]# echo "agetest" | passwd --stdin agetest
Changing password for user agetest.
passwd: all authentication tokens updated successfully.
[root@localhost ~]# chage -d 0 agetest
#新建用户agetest，并将密码设置为agetest，设置密码修改日期为0。
[root@localhost ~]# su – stone
#切换用户
[stone@localhost ~]$ su - agetest
Password:
You are required to change your password immediately (root enforced)
Changing password for agetest
(current) UNIX password:
New UNIX password:
Retype new UNIX password:
#第一次登陆提示用户修改密码，参考了《鸟哥私房菜》。
