1 ac adb ar arcv as at awk bas basename bc cal calendar cat cb cc checkeq chgrp chmod chown clri cmp col comm cp crypt cu date dc dcheck dd deroff df diff diff3 du dump dumpdir echo ed egrep enroll eqn expr f77 factor false fgrep file find graph grep icheck iostat join kill ld learn lex lint ln login look lookbib lorder ls m4 mail make man mesg mkdir mv ncheck neqn newgrp nice nm nohup nroff od osh passwd pcc plot pr prep primes prof ps pstat ptx pwd quot random ranlib ratfor refer restor rev rm rmdir roff sa sed sh size sleep sort sp spell spline split strip struct stty su sum sync t300 t300s t450 tabs tail tar tbl tc tee tek test time tk touch tp tr troff true tsort tty uniq units uucp uulog uux vplot vpr wc who write xget xsend yacc yes