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OpenSolaris 2009.06 - man page for whoami (opensolaris section 1b)

whoami(1B)					     SunOS/BSD Compatibility Package Commands						whoami(1B)

NAME
whoami - display the effective current username
SYNOPSIS
/usr/ucb/whoami
DESCRIPTION
whoami displays the login name corresponding to the current effective user ID. If you have used su to temporarily adopt another user, whoami will report the login name associated with that user ID. whoami gets its information from the geteuid and getpwuid library routines (see getuid and getpwnam(3C), respectively).
FILES
/etc/passwd username data base
ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+
SEE ALSO
su(1M), who(1), getuid(2), getpwnam(3C), attributes(5) SunOS 5.11 14 Sep 1992 whoami(1B)