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
