Noticeable limits on item count were fairly common until around the mid 1990s. FAT16 has a limit of 65460 total files. FAT32 limits 65535 files in a directory.

Noticeable limits on item count were fairly common until around the mid 1990s. FAT16 has a limit of 65460 total files. FAT32 limits 65535 files in a directory. The RISC OS ADFS filesystem had a limit of 77 files in a directory; I used this until about 1994.