Linux Ext2 filesystem

The limits for Linux Ext2 filesystems include:

Filename length

255 bytes.

Pathname length

1024 bytes, not including the mountpoint or the terminating NUL.

File size

2 GB − 1.

Directory size

2 GB − 1; directories are files with inode and filename information as data.

Filesystem size

2 GB × 512.

Disk size

2⁶⁴ bytes; limited by the disk driver.