PROBLEM
Sometimes you have to configure environment variables before executing a program. Can you find the flag we’ve hidden in an environment variable on the shell server?
HINT
unix env
SOLUTION
This is the introduction to linux environment variables.
Run
> printenv | grep "picoCTF"
Here printenv prints all the environment variables and the we use our friend grep to get us the flag.
FLAG - picoCTF{eNv1r0nM3nT_v4r14Bl3_fL4g_3758492}