man pages section 4: File Formats
  • F
    • fbtab(4)- login-based device permissions
    • fd(4)- file descriptor files
    • format.dat(4)- disk drive configuration for the format command
    • forward(4)- addresses and aliases for sendmail
    • fs(4)- specify the default file system type for local or remote file systems
    • fspec(4)- format specification in text files
    • fstypes(4)- file that registers distributed file system packages
    • fs_ufs(4)- format of a ufs file system volume
    • ftpusers(4)- file listing users to be disallowed ftp login privileges