Refresh Linux or Unix Path Environmental Variables with rehash

If you have install new applications in Unix or Linux operating system, the rehash command can be used to recomputes the internal hash table of the contents of directories listed in the path environmental variable to account for new commands added.

To use rehash command, simply called rehash at command line:

# rehash

rehash will update and refresh the OS’s path environmental variables to include the newly added and installed directories, thus enables users to call the functions and commands from any directory immediately without restarting the server.


This entry was posted on Sunday, April 9th, 2006 at 10:20 am and is filed under Operating Systems. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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