Big Zip

Download that zip file:

curl https://artifacts.picoctf.net/c/504/big-zip-files.zip -o big-zip-files.zip

Unzip it:

ls

unzip big-zip-files.zip

There are tons of files, here where grep comes into play and can help us get the flag:

grep -irn picoCTF .

• -i: To ignore case of the string.

• -r: To search recursively.

• -n: To show in which file and line does this strigs exists.

Here is the flag.