man pages section 4: File Formats

sulog(4)

Name

sulog– su command log file

Synopsis

/var/adm/sulog

Description

The sulog file is a record of all attempts by users on the system to execute the su(1M) command. Each time su(1M) is executed, an entry is added to the sulog file.

Each entry in the sulog file is a single line of the form:

SU date time
result port user-newuser

where

date: The month and date su(1M) was executed. date is displayed in the form mm/dd where mm is the month number and dd is the day number in the month.
time: The time su(1M) was executed. time is displayed in the form HH/MM where HH is the hour number (24 hour system) and MM is the minute number.
result: The result of the su(1M) command. A ` + ' sign is displayed in this field if the su attempt was successful; otherwise a ` - ' sign is displayed.
port: The name of the terminal device from which su(1M) was executed.
user: The user id of the user executing the su(1M) command.
newuser: The user id being switched to with su(1M).

Examples

Example 1 A sample `sulog` file.

Here is a sample sulog file:

SU 02/25 09:29 + console root-sys
SU 02/25 09:32 + pts/3 user1-root
SU 03/02 08:03 + pts/5 user1-root
SU 03/03 08:19 + pts/5 user1-root
SU 03/09 14:24 - pts/5 guest3-root
SU 03/09 14:24 - pts/5 guest3-root
SU 03/14 08:31 + pts/4 user1-root

Files

/var/adm/sulog: su log file
/etc/default/su: contains the default location of sulog