Maximum file name length - UNIX for Dummies Questions & Answers

rkkiran · #1 (**permalink**) 01-29-2002

Hi folks,

Can anybody tell me whether there is any limit on the file name length and directory name length in UNIX.

#2 (**permalink**) 01-29-2002

Believe it to be 132 characters which is limited by how much the buffer can except versus how long a filename can be.

#3 (**permalink**) 01-29-2002

Found a correct answer:
Within a ufs filesystem the maximum length of a filename is 255
characters.

Within a system V filesystem the maximum length of a filename is 14
characters

rkkiran · #4 (**permalink**) 01-30-2002

Thanks thehoghunter,

One more query about this, how to find out which file system you are using. Is there any command in UNIX to find it out.

#5 (**permalink**) 01-30-2002

df -n on a Solaris or HPUX system will work.

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