100 points
Category: General Skills
Tags : #man
There's an interesting script in the user's home directory The work computer is running SSH. We've been given a script which performs some basic calculations, explore the script and find a flag.
The home folder contains a useless bash shell script that performed arithmetic calculations. After playing around with the script for some time I noticed the reference to the man keyword in the challenge description tags.
$ man useless
picoCTF{........redacted........}
Actual flag value redacted for the purposes of this write up.