logname(1)

logname1

Display user's login name

Usage

logname

Overview

The logname utility writes the user's login name to standard output followed by a newline.

The logname utility explicitly ignores the LOGNAME and USER environment variables because the environment cannot be trusted.

Exit status

The logname utility exits 0 on success, and >0 if an error occurs.

Releases

163 releases since Mac OS X 10.0; the text changed 1 time.

  1. 10.0–12.5
  2. 13.0–26.5

Standards

The logname utility is expected to conform to IEEE Std 1003.2 (“POSIX.2”).

History

The logname command appeared in 4.4BSD.

From shell_cmds 329 in macOS 26.5. Parsed by carta from the page's mdoc source.