patch syntax: patch < patchfile Apparently, patch is by Larry Wall.. make typically does preprocessing, then compiling, then linking. ldd - list shared objects needed to run a program nm - list symbols from (unstripped) object file objdump - list info on object file objdump -d = dissasemble a file.. cool See: http://www.tldp.org/HOWTO/Software-Building-HOWTO-3.html Libraries 2 types 1) a.out 2) ELF - newer link error = "undefined reference" this happens when a program's source can't find a library that it needs for building itself. simple linux bootstrapping notes Back to autumn and ryan's homepage Back to ryan's page