xref: /illumos-gate/usr/src/man/man1/logname.1 (revision bbf21555)

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LOGNAME 1 "October 25, 2019"
NAME
logname - return user's login name
SYNOPSIS
logname
DESCRIPTION
The logname utility writes the user's login name to standard output. The login name is the string that would be returned by the getlogin(3C) function. If getlogin() does not return successfully, the name corresponding to the real user ID of the calling process is used instead. If a name cannot be found, the user's ID will be printed.
ENVIRONMENT VARIABLES
See environ(7) for descriptions of the following environment variables that affect the execution of logname: LANG, LC_ALL, LC_CTYPE, LC_MESSAGES, and NLSPATH.
EXIT STATUS
The following error values are returned: 0

Successful completion.

>0

An error occurred.

FILES
/etc/profile

environment for user at login time

/var/adm/utmpx

user and accounting information

ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
ATTRIBUTE TYPE ATTRIBUTE VALUE
Interface Stability Committed
Standard See standards(7).
SEE ALSO
env (1), login (1), getlogin (3C), utmpx (5), attributes (7), environ (7), standards (7)