text: name unix utility to segment larger file in byte length chunks with output files named aa ab or aaa..? i am looking for the name of the unix utility to segment a larger file in byte length chunks (10k, 100k, etc.) with output files named something on the order of aa, ab,... or aaa, aab,...  i've used it in the recent past but cannot recall what the name is.  i am on open bsd unix but the utility may be present on other related systems such as linux. i believe you are referring to 'split'