[root@linux ~]# mount -o remount,acl /home
[root@linux ~]# mount | grep /home
/dev/hda5 on /home type ext3 (rw,acl)

[root@linux ~]# vi /etc/fstab
/dev/hda5  /home   ext3   defaults,acl   1 2

[root@linux ~]# setfacl [-mxdb] ]w
ѼơG
-m  G]w@ ACL WdF
-x  G@ ACL WdF
-b  G ACL WdF
-d  G]ww] ACL WdAȯwؿϥΡC

1. wϥΪ
]wȪWdG u:[ϥΪ̱bC]:[rwx]
Ҧpw dmtsai oӨϥΪ̨ӳWdv rx AhG
[root@linux ~]# setfacl -m u:dmtsai:rx somefilename

2. wsըӳ]w
]wȪWdG g:[sզW]:[rwx]
Ҧpw users oӸsըӳWdv rw AhG
[root@linux ~]# setfacl -m g:users:rw somefilename

3. ww]vӳWdA umask \
]wȪWdG m:[rwx]
Ҧp]w]v rwxAhG
[root@linux ~]# setfacl -m m:rwx somefilename

1. إ߸ӥؿóWnvG
[root@linux ~]# mkdir /home/project
[root@linux ~]# chown eric:users /home/project
[root@linux ~]# chmod 770 /home/project
[root@linux ~]# ls -ld /home/project
drwxrwx---  2 eric users 4096 Sep  5 15:54 /home/project/
# @IwgNݭnؿWnFIϥΪ/sջPvOKFF

2. إ jordan ϥv(ݭn w)G
[root@linux ~]# cd /home
[root@linux home]# setfacl -m u:jordan:rwx project

[root@linux home]# getfacl project
# file: project    <==eTuOXoɦWDz Linux v
# owner: eric
# group: users
user::rwx          <==`NݡAoOwyw]ϥΪ̡zv]wF
user:jordan:rwx    <==oOw jordan v]w
group::rwx         <==oOwyw]sաzv]w
mask::rwx          <==oNhOw]ݩʰաI
other::---
# WoӿX@ 8 ڭ̷|bUԲӻI

[root@linux home]# ls -ld project
drwxrwx---+ 2 eric users 4096 Sep  5 15:54 project
# ݬݡIhF@ + лxI

3. ]w tip oӨϥΪ̪vơG 
[root@linux home]# setfacl -m u:tip:rx project
[root@linux home]# getfacl project
# file: project
# owner: eric
# group: users
user::rwx
user:tip:r-x   <==@IhXӪNNաI
user:jordan:rwx
group::rwx
mask::rwx
other::---