The password for the next level is stored in the file data.txt next to the word millionth
Commands you may need to solve this level
grep, sort, uniq, strings, base64, tr, tar, gzip, bzip2, xxd
Using the useful reference on grep to print lines matching a pattern with usage grep [options] PATTERN [FILE…]. The pattern is “millionth” and the file is data.txt. It will print the line with millionth where the next password is also presented.
grep "millionth" data.txt millionth cvX2JJa4CFALtqS87jk27qwqGhBM9plV