The following table compares file names and functions between the 4.3 BSD, SVR4, and AIX operating systems.
| File Comparison Table | ||||
| 4.3 BSD File | SVR4 File | AIX File | Database | Type (odm/dbm) |
| L-Devices | Devices | Devices | no | |
| L-dialcodes | Dialcodes | Dialcodes | no | |
| L.cmds | Permissions | Permissions | no | |
| L.sys | Systems | Systen | no | |
| USERFILE | Permissions | Permissions | no | |
| aliases | mail/namefiles | aliases | aliasesDB/DB | dbm |
| fstab | vfstab | filesystems | no | |
| ftpusers | ftpusers | ftpusers | no | |
| gettytab | N/A | |||
| group | group | group | no | |
| hosts | hosts | hosts | no | |
| hosts.equiv | hosts.equiv | hosts.equiv | no | |
| inetd.conf | inetd.conf | inetd.conf | no | |
| map3270 | N/A | map3270 | no | |
| motd | motd | motd | no | |
| mtab | mnttab | N/A | no | |
| named.boot | named.boot | named.boot | no | |
| named.ca | named.ca | no | ||
| named.hosts | named.data (See note) | no | ||
| named.local | named.local | no | ||
| named.pid | named.pid | named.pid | no | |
| named.rev | named.rev | no | ||
| networks | networks | networks | no | |
| passwd | passwd | passwd | no | |
| printcap | qconfig | qconfig | ||
| protocols | protocols | no | ||
| remote | remote | remote | no | |
| resolv.conf | resolv.conf | resolv.conf | no | |
| sendmail.cf | sendmail.cf | sendmail.cf | sendmail.cfDB | neither |
| services | services | no | ||
| shells | shells | N/A | ||
| stab | N/A | |||
| syslog.conf | syslog.conf | no | ||
| syslog.pid | syslog.pid | no | ||
| termcap | terminfo | terminfo | ||
| ttys | ttys | N/A | yes | odm |
| types | N/A | |||
| utmp | utmp | utmp | ||
| vfont | N/A | |||
| vgrindefs | vgrindefs | |||
| wtmp | wtmp | wtmp | ||
Note: The file names named.ca, named.hosts, named.local, and named.rev are user definable in the named.boot file. However, these are the names used for these files in the AIX documentation.