The new deep-directories test in 2.7.4 uses an unportable shell construct: ulimit -n 32 >& /dev/null || exit 77
This use of ">&" is a bash extension. The standard shell idiom is: ulimit -n 32 > /dev/null 2>&1 || exit 77 -- Christian "naddy" Weisgerber na...@mips.inka.de