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unset

Remove shell variables or functions. More information: https://manned.org/unset.

• Remove the variable foo, or if the variable doesn't exist, remove the function foo:
   
  unset {{foo}}
   
• Remove the variables foo and bar:
   
  unset -v {{foo}} {{bar}}
   
• Remove the function my_func:
   
  unset -f {{my_func}}