ENV(1) BSD Reference Manual ENV(1)
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 inherits. If no utility is specified, env prints out the names and values of the variables in the environment, with one name=value pair per line.
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 the fol- lowing values: 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 in- voked. 127 The utility specified by utility could not be found.
The historic - option has been deprecated but is still supported in this implementation. The env utility conforms to IEEE Std 1003.2-1992 ("POSIX.2").
env doesn't handle commands with equal ('=') signs in their names, for obvious reasons. MirOS BSD #10-current August 27, 1993 1
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