Hi Luobin, You can first delete the dataset from the history by clicking the 'X'. After that, in the history menu you can find 'Purge Deleted Datasets'. You're question might me more appropriate for the Galaxy users email list galaxy-user@lists.bx.psu.edu <mailto:galaxy-user@lists.bx.psu.edu>. Cheers, Joachim Joachim Jacob, PhD Rijvisschestraat 120, 9052 Zwijnaarde Tel: +32 9 244.66.34 Bioinformatics Training and Services (BITS) http://www.bits.vib.be @bitsatvib On 11/07/2012 06:56 PM, Luobin Yang wrote:

Hi, guys, Is it possible to purge some datasets in a history without purging the whole history?

Thanks, Luobin

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