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1. #Mac os extended journaled max file size mod
2. #Mac os extended journaled max file size software
3. #Mac os extended journaled max file size Pc
4. #Mac os extended journaled max file size license
5. #Mac os extended journaled max file size free

And HFS+ itself is now being replaced with APFS, which saves even more space. Of course, HFS+ has been around for 20 years, so I doubt many people still use HFS. On a 2TB disk, a 1 byte file would take up a whopping 30.5 Megabytes!

So on a 1GB HFS disk, a 1 byte file took up 16,384 bytes on the hard drive. The block size was a function of the disk size in bytes divided by the maximum number of allocation blocks: 65,535. Hmm, one would think so, but not only are file sizes displayed differently (Gigabyte vs gibibyte), there are also differences between file systems in how much space a file (of identical number of bytes) takes up.įor instance, on HFS (the predecessor to HFS+), there could only be up to 65,535 allocation blocks on a disk.

#Mac os extended journaled max file size Pc

Tim Paterson copied the key aspects of the FAT system (single table, each directory entry containing the head of the file's cluster list, and the last value indicating the number of sectors used in the last cluster) when he implemented the FAT12 file system for his operating system 86-DOS in 1980, which became the basis for MS-DOS and PC DOS in 1981. McDonald also developed an 8-bit operating system called M-DOS or MIDAS the system itself was never released by Microsoft, but its file system (a variant of FAT) influenced Tim Paterson's QDOS.Ī version of "Standalone Disk Basic" was ported to a Seattle Computer Products 8086 by Bob O'Rear, and Tim Paterson was often at Microsoft to aid in the effort. He is credited with designing and implementing the 8-bit File Allocation Table file system for the NCR 8200 data-entry terminal and Microsoft's Standalone Disk BASIC-80 in 1977. McDonald is an American who was Microsoft's first salaried employee (not counting Monte Davidoff, who wrote the math package for BASIC for a flat fee). It is simply a better file system in every way. It has "advanced data structures to improve performance, reliability, and disk space use". It does have an alternate table as a back up but if something happens during a write to the exFAT, and the alternate hasn't been properly updated, you are screwed.

#Mac os extended journaled max file size free

Sadly, the file system is NOT journaled and only uses a single file allocation table and free space map. Which is a nuisance when you are dealing with very large files. Installing NTFS in the place of the DOS FAT made the same disk 250% faster.ĮxFAT can handle larger amounts of data but keeps the 4GB limit per file. This was a terrible idea and worked very poorly. This is why DOS formatted disks had a FAT at the outside and the inside tracks of a disk. He then 'experimented' with incorporating it into a commercial DOS.

#Mac os extended journaled max file size license

He obtained a license to take the file system to the US for 'experimental' work. For redundancy, they wrote the FAT at the beginning of the tape and again at the end of the data. The FAT was taken from the University of Waterloo. If you do a search in Reddit, you will come up with a lot of folks discussing this very question. I have heard of many cases where exFat drives lose their file structure and thus, all the files are lost. Looking for something more local? Here are some localized subreddits: To chat with specialists in recording sound on set, check out Want to learn more? Try these subreddits: You don't want people to rip off your work, we shouldn't be ripping off theirs. Sunday Sunday Job/Career Advice ( for the past month) Are you new to editing?ĭiscussion or advocacy of piracy is prohibited. Thursday Tip Thursday ( for the past month) Wednesday Assistant Editor Wednesdays ( for the past month) Monday: Megathread Mondays [ for the past month)

#Mac os extended journaled max file size mod

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#Mac os extended journaled max file size software

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