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Basically what I want to be able to do is to switch to having used "su -" instead of the traditional hyphenless "su" after already using "su" to switch to another account.

My initial thought was to do another "su -" but that sounded a bit silly, is there a better way to do this?

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    Couldn't you un-su and then su -? – Wutaz Jun 18 '13 at 14:54
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You could run the user's shell profile like this:

. ~/.profile

That's a dot, space, tilde, slash, dot, then the word profile

You can read about profile here.

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You can start a subshell as login shell, e.g. bash -l.

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you're right, there's nothing that keeps you from just doing su -User2 and ending up with something like User1->root->User2. You can also just type exit to end the "su" session and drop back down to User1 and then type su -User2

  • FYI, some implementations of su require a space between the - and the username. – depquid Jun 18 '13 at 15:47

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