JFS or Journaled File System is a 64-bit journaling file system created by IBM in 1999 and support for which has been available in the Linux kernel since 2002.

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JFS support missing on EC2 instance?

I just launched new EC2 instances with the Ubuntu precise and saucy AMIs. I installed jfsutils, but I am unable to mount a JFS volume: $ sudo mount -a mount: unknown filesystem type 'jfs' Looking ...
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Rename a file case in JFS, case insensitive

I working on a JFS filsystem made with the option -O (case insensitive filenames). How can I easily rename a file from Test.txt to test.txt ? Using mv report the error: mv: ‘Test.txt’ and ...
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JFS vs. EXT4 vs. EXT3 [duplicate]

Possible Duplicate: What is the best way to partition, and what is the best file-system for a new Hard Disk? I've got a 2TB external HD on which I save valuable data. so far I'm using NTFS ...