pgmhist(1) General Commands Manual pgmhist(1)NAMEpgmhist - print a histogram of the values in a portable graymapSYNOPSISpgmhist [pgmfile]DESCRIPTIONReads a portable graymap as input. Prints a histogram of the gray values.SEE ALSOpgmnorm(1), pgm(5), ppmhist(1)AUTHORCopyright (C) 1989 by Jef Poskanzer. 28 February 1989 pgmhist(1)