it's not case sensitive by default you probably installed something that
it making it search that way, but that's not an ubuntu bug.
** Changed in: nautilus (Ubuntu)
Status: New => Invalid
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search is case sensitive and can't change that
https://bugs.launchpad.net/bugs/285739
You receive
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/18677707/Dependencies.txt
** Attachment added: "ProcMaps.txt"
http://launchpadlibrarian.net/18677708/ProcMaps.txt
** Attachment added: "ProcStatus.txt"
http://launchpadlibrarian.net/18677709/ProcStatus.txt
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search