权限修改
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
- [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
- 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@oldboyedu50 oldboy]# chmod u=x test.sh
- [root@oldboyedu50 oldboy]# ll test.sh
- [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
来源: http://www.bubuko.com/infodetail-2718271.html