LOGNAME(1)LOGNAME(1)NAMElogname - return user's login name
SYNOPSIS
/usr/bin/logname
ksh93
lognameDESCRIPTION
/usr/bin/logname
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. Under the conditions where getlogin() would fail, logname
will write a diagnostic message to standard error and exit with a non-
zero exit status.
ksh93
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 corre‐
sponding to the real user IDof the calling process is used instead.
ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables
that affect the execution of logname: LANG, LC_ALL, LC_CTYPE, LC_MES‐
SAGES, 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(5) for descriptions of the following attributes:
┌────────────────────┬───────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├────────────────────┼───────────────────┤
│Interface Stability │ Committed │
├────────────────────┼───────────────────┤
│Standard │ See standards(5). │
└────────────────────┴───────────────────┘
SEE ALSOenv(1), login(1), getlogin(3C), utmpx(4), attributes(5), environ(5),
standards(5)
Aug 11, 2009 LOGNAME(1)
