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remove deletion of system instructions and add test file creation ins… #155

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11 changes: 4 additions & 7 deletions labs/03-deletion.md
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Expand Up @@ -41,16 +41,13 @@ Wed Nov
```


> **Warning:** Make sure that you are inside your container. most likely you can see that by your command promt showing `/ #` instead of `ubuntu@inst1:~/docker-katas/labs$`

Now, delete the binaries that the system is build up of with:
Now, add a file to the system:

```
rm -rf /bin
echo "here I am" > testfile.txt
```

Try to navigate around to see how much of the OS is gone: try to run the `ls`, `whoami` and `date` commands.
They should all echo back that the binary is not found.
Run the `ls` command to see that the extra file is in the current directory

Exit out by pressing `Ctrl+d` and create a new instance of the Alpine image and look a bit around:

Expand All @@ -71,7 +68,7 @@ bin etc lib mnt root sbin sys usr
dev home media proc run srv tmp var
```

Try to perform the same tasks as displayed above to see that you have a fresh new instance ready to go.
You see that this is a fresh new instance ready to go.

## Auto-remove a container after use

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