$ DUPLO::SYSTEM
user@duplo :~$ ./initialize.sh

[CLASSIFIED] Access to digital utilities and protocol layers for authorized operators.

$ request access $ open terminal

[SYSTEM]: Checking security protocols...

user@duplo :~$ ls -la /commands

Terminal Commands

$ system-access
$ cat system-access.txt

DUPLO SYSTEM provides secure access to digital utilities and protocol layers for authorized operators.

Authentication required for elevated access levels. Standard protocols apply to all system interactions.

Type `help` for a list of available commands.

user@duplo :~$ sudo cat /etc/shadow

Restricted Access

$ security-protocols
$ cat security-protocols.txt

Access to restricted system areas requires proper authentication and clearance level verification.

[WARNING] Unauthorized access attempts will be logged and may result in immediate termination of your session.

Enter access code: 

==============================

Encrypted Message Detected

A secure transmission has been intercepted. Decryption key required.

user@duplo :~$ ./decrypt.sh --key=??? 
01000100 01010101 01010000 01001100 01001111 00100000 01010011 01011001 01010011 01010100 01000101 01001101 00100000 01101001 01110011 00100000 01100001 00100000 01100100 01101001 01100111 01101001 01110100 01100001 01101100 00100000 01110101 01110100 01101001 01101100 01101001 01110100 01111001 00100000 01100001 01101110 01100100 00100000 01110000 01110010 01101111 01110100 01101111 01100011 01101111 01101100 00100000 01101100 01100001 01111001 01100101 01110010 00100000 01100110 01101111 01110010 00100000 01100001 01110101 01110100 01101000 01101111 01110010 01101001 01111010 01100101 01100100 00100000 01101111 01110000 01100101 01110010 01100001 01110100 01101111 01110010 01110011
$ request decryption key $ report transmission