> One most modern 64-bit systems, malloc will never fail anyway Except if a virtual memory resource limit is set ("help ulimit"). $ sh -c 'ulimit -S -v 1000

> One most modern 64-bit systems, malloc will never fail anyway Except if a virtual memory resource limit is set ("help ulimit"). $ sh -c 'ulimit -S -v 1000 ; perl -e 1' Segmentation fault $ sh -c 'ulimit -S -v 2000 ; perl -e 1' perl: error while loading shared libraries: libm.so.6: failed to map segment from shared object: Cannot allocate memory $ sh -c 'ulimit -S -v 20000 ; perl -e "qw{a}x100000000"' Out of memory!