picoCTF 2018 Write-up [General Skills]

picoCTFとは 成績 まえがき General Skills General Warmup 1 - Points: 50 General Warmup 2 - Points: 50 General Warmup 3 - Points: 50 Resources - Points: 50 grep 1 - Points: 75 net cat - Points: 75 strings - Points: 100 pipe - Points: 110 grep 2 - Points: 125 Aca-Shell-A - Points: 150 environ - Points…