Linux Commands Reference - Complete Linux Command Guide
Comprehensive Linux command reference with 150+ commands. Search, filter by category, and view detailed usage examples.
unset
Remove shell variables or functions
Syntax
unset [-fv] [NAME]...Common Options
-vUnset variable (default)-fUnset function-nUnset namerefCommon Examples
unset MYVARUnset variable
unset -f myfuncUnset function
unset VAR1 VAR2 VAR3Unset multiple variables
unset PATHUnset PATH (dangerous!)
for v in $(compgen -v); do unset $v; doneClear all variables
unset -n refUnset nameref
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