UTMP (V) 3/15/72 UTMP (V) NAME /tmp/utmp -- user information DESCRIPTION This file allows one to discover information about who is currently using UNIX. The file is binary; each entry is 16(10) bytes long. The first eight bytes contain a user's login name or are null if the table slot is unused. The low order byte of the next word contains the last character of a typewriter name. The next two words contain the user's login time. The last word is unused. This file resides in directory /tmp. SEE ALSO /etc/init, which maintains the file; who(I), which interprets it.