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The subject says it all, how to rehash the available executables available within one of the $PATHs after having changed things: e.g. removed a binary from one $PATH which is available in another $PATH, changed the $PATH-variable.

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up vote 11 down vote accepted

hash -r is what needs to be done. In zsh it is rehash and rehash doesn't exist (by default) in bash.

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rehash is hash -r in zsh. –  Ярослав Рахматуллин Oct 22 '12 at 12:25
    
@Jaroslav didn't know, thanks (sry for writing your name in latin). –  Patrick B. Oct 22 '12 at 15:04

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