help
 store nm1.dat as nm1
 list
 list texts
 load nm1.dat by nm1
 load nm1.dat as nm1
 load nm2.dat as nm2
 load nm3.dat as nm3
 load nm4.dat as nm4
 load nm5.dat as nm5
 list texts
 describe nm4 as text
 describe nm4 as chars
 describe nm4 as words
 describe nm4 as digrams
 describe nm4 by digrams
 describe nm5 as text
 describe nm4 as symbols
 compare nm1 with all by words
 compare nm1 with all by ngram=2
 compare nm1 with nm2 nm3 nm4 by ngram=2
 compare nm1 with nm3 by ngram=2
 compare nm1 with all by ngram=3
 compare nm1 with all by ngram=4
 compare nm1 to all by ngram=4
 compare nm1 with all using ngram=4
 compare nm5 with all by ngram=2
 compare nm1 with nm2 nm5 by ngram=2
 compare nm1 with all by n-gram=2
 load tc1.dat as tc1
 load tc2.dat as tc2
 load tc3.dat as tc3
 load tc4.dat as tc4
 list texts
 describe tc4 as text
 describe tc4 as chars
 describe tc4 as words
 describe tc4 as digrams
 compare tc1 with all by words
 compare tc1 with all by ngram=2
 compare tc1 with all by ngram=3
 compare tc1 with all by ngram=4
 exit