os_kernel_lab/related_info/lab1/lab1-ex0.md

# 
Try below command
```
gcc -g  -o lab1-ex0.exe lab1-ex0.s
```
Then you will get lab1_ex0.exe

Try to use below some tools to analysis lab1_ex0.exe 
```
objdump
nm
file

```
Try to understand the contents of this .s file.