Challenge Description

Based on the directions given, we will just have to wget <link to file> then run mmls and enter the value of the size of Linux partition in the nc server. If it’s correct, we will obtain our flag.
The
mmlscommand
mmlsdisplays the partition layout of a volume system, which can be helpful in disk image analysis. To find out more, check out The Sleuth Kit (TSK)
Execution

Flag
picoCTF{mm15_f7w!}