unset: Linux Commands HowTo
unset: Remove variable or function names
Remove variable or function names
Syntax
unset [-fv] [name]
Options
-f The names refer to shell Functions,
and the function definition is removed.
Readonly variables and functions may not be unset.
-v Each name refers to a shell Variable (default)
The return status is zero unless a name does not exist or is readonly.
uset is a BOURNE shell command and a POSIX `special? builtin.
"A good trader has to have three things: a chronic inability to accept things at face value, to feel continuously unsettled, and to have humility"
- Michael Steinhardt
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