Does cron maintain an in-memory directory cache?

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http://serverfault.com – We run a large distributed Linux computing environment where a user's home directory may be moved between different back-end filestores due to their affiliation and general distribution between different fileservers. As a result of this, their homedirectory may be changed from something like /fileserver1/joeuser to /fileserver3/joeuser. After going through processes of copying the files, sethome is used to set their home directory. After a logout/login, their $HOME and ~ variables are both pointing to the new path and everything is going as it should. Cron, however, appears to still think t (HowTos)