PRINTENV(1) General Commands Manual PRINTENV(1)
printenv – print out the environment
The printenv utility prints out the names and values of the variables in
the environment, with one name/value pair per line. If name is specified,
only its value is printed.
Some shells may provide a builtin printenv command which is similar or
identical to this utility. Consult the builtin(1) manual page.
The printenv utility exits 0 on success, and >0 if an error occurs.
csh(1), env(1), sh(1), environ(7)
The printenv utility is provided for compatibility with earlier BSD and
FreeBSD releases and is not specified by any standards. The functionality
of printenv can be duplicated with the echo(1) and env(1) utilities.
The printenv command appeared in 3.0BSD.
macOS 12.1 May 12, 2003 macOS 12.1