001.软链接操作

[weigion@wugenqiang study]$ ln -s hello.sh hello
[weigion@wugenqiang study]$ ll
总用量 4
lrwxrwxrwx 1 weigion weigion  8 7月  11 11:29 hello -> hello.sh
-rwxrwxr-x 1 weigion weigion 13 7月  11 09:03 hello.sh
[weigion@wugenqiang study]$ hello
hello