Hi, If I do (subseq "hello") on Linux, I get a crash like error (don't have the log here with me now). However, if I do this in CLISP I get [1]> (subseq "hello") *** - EVAL: too few arguments given to SUBSEQ: (SUBSEQ "hello") The following restarts are available: ABORT :R1 ABORT Cheers David