Anyhow, this is just a list of useful utilities which I'm going to always keep updated...
strace
http://www.thegeekstuff.com/2011/11/strace-examples/
http://en.wikipedia.org/wiki/Strace
http://timetobleed.com/files/c-strace
gdb
http://www.ibm.com/developerworks/library/l-gdb/
http://www.yolinux.com/TUTORIALS/GDB-Commands.html
http://www.cs.cmu.edu/~gilpin/tutorial/
hexdump
http://ubuntuforums.org/showthread.php?t=1293523
http://mylinuxbook.com/hexdump/
http://256.com/gray/docs/misc/hexdump_manual_how_to.html
strace
http://www.thegeekstuff.com/2011/11/strace-examples/
http://en.wikipedia.org/wiki/Strace
http://timetobleed.com/files/c-strace
gdb
http://www.ibm.com/developerworks/library/l-gdb/
http://www.yolinux.com/TUTORIALS/GDB-Commands.html
http://www.cs.cmu.edu/~gilpin/tutorial/
hexdump
http://ubuntuforums.org/showthread.php?t=1293523
http://mylinuxbook.com/hexdump/
http://256.com/gray/docs/misc/hexdump_manual_how_to.html
