Public service announcement warns against misuse of the cat command

A public service announcement warns users about improper use of the cat(1) command. The notice emphasizes that cat is intended for concatenating and displaying file contents. Misusing cat for tasks like file manipulation can lead to data loss or security issues. The PSA advises following best practices and consulting manual pages before scripting. It also highlights alternative commands better suited for specific operations. The message targets both novice and experienced Unix users. Readers are encouraged to respect the command’s intended purpose to maintain system stability. Further resources are linked for deeper guidance on safe command‑line usage.