On Monday 20 December 2004 22:33, P Jones wrote: > On Tue, 2004-12-21 at 00:22 +0100, Alexander Dalloz wrote: > > Am Mo, den 20.12.2004 schrieb Maciek R. um 22:26: > > > What must I do to get this to work and how do you add and remove s.th. > > > to the path anyway? (which commands) > > > > > > Maciek R. <m.mail@xxxxx> > > > > Use "su -", not "su" to get a root _login_ shell. > > > > Alexander > > Alexander; > > Would you explain the difference between "su -" and "su"? I have always > used "su" to get root, and it works, but I've seen documentation that > says, and as you suggest, to use "su -". I'm curious why. Simply put, when su is invoked with a '-' (dash character) the users environment is run before returning the shell prompt or running the command provided as an argument. Root user is implied unless a user name is specified as an argument.
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