In article <1991Jun6.215038.20384 at nntp-server.caltech.edu> gwoho at nntp-server.caltech.edu (g liu) writes: >is it a ulimit problem? Not quite, because ulimit applies to file size, not process size. Most likely there is a process size limit that you're bumping into. Note that it is unreasonable to try to make a process as large as the entire swap space.