Hello, I've just checked DEC OSF/1 V2.0. This seems to be partially ok. The -froot method won't work (I get complaints about -r, -o, and -t being unknown options which implies its -f option doesn't take an argument). However the -h trick is still available (but is obviously less severe). James -- James Bonfield (jkb@mrc-lmb.cam.ac.uk) Tel: 0223 402499 Fax: 0223 412282 Medical Research Council - Laboratory of Molecular Biology, Hills Road, Cambridge, CB2 2QH, England.