### JailBoss###### Description: taskFword.sh is in the same directory as you. Maybe it will help you.
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After I found that `.` `?` and `a` were the only three characters allowed and that `a` prints the environment variables, I ran the following command to execute taskFword.sh that the description says is in the same directory:-
```bash. ????????????```
Running this command seemed to do nothing helpful but running `a` after this gave us the flag as an environment variable:
**FwordCTF{BasH_1S_R3aLLy_4w3s0m3_K4hLaFTW}**
A more detailed writeup can be found at [our GitHub repository](https://github.com/FrigidSec/CTFWriteups/tree/master/FwordCTF/Bash/JailBoss)