权限修改

最新推荐文章于 2024-04-16 20:43:19 发布

转载最新推荐文章于 2024-04-16 20:43:19 发布 · 88 阅读

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原文链接：http://blog.51cto.com/13860358/2155866

1.1 Rwx 修改权限或所有者

先创建目录

[root@oldboyedu50-lnb ~]# mkdir -p /oldboy
[root@oldboyedu50-lnb ~]# echo 'hostname' >/oldboy/test.sh
[root@oldboyedu50-lnb ~]# cat /oldboy/test.sh
hostname
[oldboy@oldboyedu50-lnb /oldboy]$ ll test.sh
-rw-r--r--. 1 root root 9 Aug 6 12:32 test.sh

1.1.1 oldboy用户下面测试
[oldboy@oldboyedu50-lnb /oldboy]$ ll test.sh
-r--r--r--. 1 oldboy oldboy 9 Aug 6 12:32 test.sh
[oldboy@oldboyedu50-lnb /oldboy]$ cat test.sh
hostname
[oldboy@oldboyedu50-lnb /oldboy]$ echo 'pwd'>>test.sh
-bash: test.sh: Permission denied
[oldboy@oldboyedu50-lnb /oldboy]$ /oldboy/test.sh
-bash: /oldboy/test.sh: Permission denied

1.1.2 root用户下面修改权限测试w权限

oldboy用户只有w 权限

[root@oldboyedu50-lnb /oldboy]# chmod u=w test.sh
[root@oldboyedu50-lnb /oldboy]# ll test.sh
--w-r--r--. 1 oldboy oldboy 9 Aug 6 12:32 test.sh

1.2 oldboy用户下面测试

oldboy@oldboyedu50-lnb /oldboy]$ ll test.sh
--w-r--r--. 1 oldboy oldboy 9 Aug 6 12:32 test.sh
[oldboy@oldboyedu50-lnb /oldboy]$ cat test.sh
cat: test.sh: Permission denied
[oldboy@oldboyedu50-lnb /oldboy]$ echo 'pwd' >>test.sh
[oldboy@oldboyedu50-lnb /oldboy]$ cat test.sh
cat: test.sh: Permission denied
[oldboy@oldboyedu50-lnb /oldboy]$
[oldboy@oldboyedu50-lnb /oldboy]$ /oldboy/test.sh
-bash: /oldboy/test.sh: Permission denied

root用户下面修改权限测试x权限

2.1 oldboy用户只有x 权限

[root@oldboyedu50 oldboy]# chmod u=x test.sh
[root@oldboyedu50 oldboy]# ll test.sh
---xr--r--. 1 root root 4 5月 24 08:45 test.sh

2.2 oldboy用户下面测试

[oldboy@oldboyedu50-lnb /oldboy]$ ll test.sh
---xr--r--. 1 oldboy oldboy 13 Aug 6 12:56 test.sh
[oldboy@oldboyedu50-lnb /oldboy]$ cat test.sh
cat: test.sh: Permission denied
[oldboy@oldboyedu50-lnb /oldboy]$ echo 'pwd' >>test.sh
-bash: test.sh: Permission denied
[oldboy@oldboyedu50-lnb /oldboy]$ /oldboy/test.sh
bash: /oldboy/test.sh: Permission denied

转载于:https://blog.51cto.com/13860358/2155866