Hi List, there was a discussion on the busybox-ml about a kernel-bug in sendfile(). <cite> In 2.6.33.7, when used with a normal file as the output, it always writes the data to offset 0 in the file. That's fine if you only call it once and then close the output fd. However, if you call it multiple times (as busybox 'cat' does when copying multiple files), then you don't get the expected result. The contents of the input files are not concatenated. Instead the contents of each input file overwites the existing contents of the output file starting at offset 0. </cite> these apache doc mentions more problems https://httpd.apache.org/docs/2.4/mod/core.html#enablesendfile It seems that the bug mentioned above is fixed but nobody seems to know when this was done. IMHO this should be mentioned in the man page, but i lack detailed information and time to research them. I would like to encourage anyone who has information to come forward so it can be added to man page. re, wh