env - set and print environment
env [-i] [name=value ...] [utility [argument ...]]
env executes utility after modifying the environment as
specified on the
command line. The option name=value specifies an environment variable,
name, with a value of value.
The options are as follows:
-i Causes env to completely ignore the environment it
If no utility is specified, env prints out the names and
values of the
variables in the environment, with one name=value pair per
If the utility is invoked, the exit status of env shall be
the exit status
of utility; otherwise, the env utility exits with one of
0 The env utility completed successfully.
1-125 The exit code returned from the utility.
126 The utility specified by utility was found, but
could not be invoked.
127 The utility specified by utility could not be found.
The historic - option has been deprecated but is still supported in this
The env utility conforms to IEEE Std 1003.2-1992
env doesn't handle commands with equal (`=') signs in their
OpenBSD 3.6 August 27, 1993
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