Sun's Solaris OS supports the ZFS file system natively.
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ZFS is a filesystem developed and used by Sun Microsystems in
their computers. It is not just a filesystem but also a logical
volume manager. This means it is able to store the files more
efficiently.
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No
ext2, ext3, ext4, zfs file systems has 255 bytes filename limit
and has no pathname limits
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Sun's Solaris OS using ZFS is designed with solid-state drives
in mind and can optimize the file structure for them.
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UFS is the main filesystem for FreeBSD, but ZFS is also a
popular choice. ext2, msdos, ntfs (read-only), and smb are also
supported.