What is different between su <username>and su - <username>
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Distribution: Slackware64 13.1, Solaris 10, RHEL5/6
Posts: 86
Rep:
su <username> still uses your environment, but su - <username> uses the environment that would be expected if the user actually logged in as the specified user.
change to the same user w/ and w/o the - option and compare the environment, you'll see the differences.
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