unset
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This article is about Unix command. For the town in Hedmark, see Unset, Norway. For the novelist, see Sigrid Undset.
unset is a Unix shell command. It unsets a shell variable, removing it from memory and the shell's exported environment. It is implemented as a shell built-in, because it directly manipulates the internals of the shell.
[edit] See also
[edit] External links
- : unset values and attributes of variables and functions – Commands & Utilities Reference, The Single UNIX® Specification, Issue 6 from The Open Group
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