fstopgm

Convert a Usenix FaceSaver file into a PGM image. See also: pgmtofs. More information: https://netpbm.sourceforge.net/doc/fstopgm.html.

• Convert the specified Usenix FaceSaver file into a PGM image:

fstopgm path/to/input.fs > path/to/output.pgm