Can you share an external disk between OSX and Linux?

I am using both Linux and Mac OS X computers at work. I have found a need in some cases for backing up very large files and/or moving them between systems that are not necessarily on a saf network. At least not at the same time.
For this purpose I wanted an external big disk that could be mounted on a Linux system as well as a Mac. To my dismay there seem to be no common modern journalling file system between these two, well dialects of, unix.
I am not going to use and old Windows file system such as FAT32 and the only possibility so far has been Apple's HFS+ with the journal turned off (as Linux does not support writing to a journalled HFS+ file system). Darwin does not support any of the file systems that I regularly use on Linux.
Perhaps I am mistaken - is there really nothing good and useful out there?
/T

I was under the impression that having a journal would be safer, not just for the boot drive. Any volume that is not properly unmounted before removed (or the couputer is turned off) might be left in an incomplete save state, since data might have been saved to buffers only, not to the disk proper.
To me safer would be better. Apple has added journaling to HFS+ which is good, and there are several journaling file systems for Linux. Nothing in common. Not even with Windows. I guess I will have to use HFS+ with the journal turned off, but it seems suboptimal to me.
/T

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