env: Linux Commands HowTo
env: Environment variables ethtool Ethernet card settings
Display, set, or remove environment variables, Run a command in
a modified environment.
Syntax
env [OPTION]... [NAME=VALUE]... [COMMAND [ARGS]...]
Options
-u NAME
--unset=NAME
Remove variable NAME from the environment, if it was in the
environment.
-
-i
--ignore-environment
Start with an empty environment, ignoring the inherited
environment.
Arguments of the form `VARIABLE=VALUE? set the environment
variable VARIABLE to value VALUE.
VALUE may be empty (`VARIABLE=?). Setting a variable to an empty value is different
from unsetting it.
The first remaining argument specifies the program name to invoke; it is searched
for according to the `PATH? environment variable. Any remaining arguments are
passed as arguments to that program.
If no command name is specified following the environment specifications, the
resulting environment is printed. This is like specifying a command name of
`printenv?.
"It isn?t the pollution that is harming the environment, it?s the
impurities in the air and water" - Dan Quayle
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