What is the maximum file name length for NTFS file system?
Are there any filename or path length limits on Linux? Show
asked May 18, 2009 at 17:27
2 See the Wikipedia page about file systems comparison, especially in column Maximum filename length. Here are some filename length limits in popular file systems:
Jens Erat 1,4402 gold badges12 silver badges26 bronze badges answered May 18, 2009 at 17:29
WerkkreWWerkkreW 5,9093 gold badges23 silver badges32 bronze badges 11 I've read here that path length limit is in system headers. File name length limit is there too. On my system it's file:
and C-lang defines:
and some more.
Ladadadada 26k7 gold badges59 silver badges90 bronze badges answered Aug 31, 2011 at 8:58
sfpsfp 1,1211 gold badge7 silver badges2 bronze badges 5 I refer to other answers, please upvote them.
Yes, filename and pathname lengths are limited by :
To dynamically get these properties:
answered May 24, 2014 at 7:35
oHooHo 5251 gold badge6 silver badges14 bronze badges 1 And for the sake of saving time (and anchoring it to memory): ext2, ext3, ext4, zfs: no pathname limits; 255 bytes filename limit. 3 Those are file system name lengths. "linux" itself has some too. For instance, from bits/stdio_lim.h:
answered May 18, 2009 at 18:15
jj33jj33 11k1 gold badge36 silver badges50 bronze badges 9 There is no way to determine the maximum length of paths on Linux in a portable way. On my system:
But I can easily create paths
much longer than 4096 characters. Instead see answered Mar 22, 2016 at 18:31
4 You should always use pathconf or some function like this to get the runtime value about the specified items, as this page said that:
answered Jan 16, 2015 at 2:17
andyandy 1212 bronze badges It's specified in the system limits.h header file. Here is one of these files:
Here is where copies of this file are located and values they define:
Output:
answered Dec 5, 2014 at 1:49
What is the maximum NTFS filename length?The maximum filename length on a NTFS partition is 256 characters, and 11 characters on FAT (8 character name, . , 3 character extension).
What is the maximum file name length?File path/directory length
We recommend that you keep directory lengths under 255 characters. Maximum directory path length of 255 characters for Windows. Maximum file name length of 255 characters for Mac.
What is the maximum length of a file name in Windows?Microsoft Windows has a MAX_PATH limit of ~256 characters. If the length of the path and filename combined exceed ~256 characters you will be able to see the path/files via the Windows Explorer, but may not be able to delete/move/rename these paths/files.
What is the maximum number of characters for naming a file?Windows can handle file names of up to 260 characters in length, including the path to the file.
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