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I have some question about linuxOS ( Im using Fedora 6.0)
Please note we also have a FC forum.
1) Can i create another user account,(except root and my account), n how can i do it?
With the commandline tool "useradd" (or the system-config-users gizmo). "man useradd" for more info.
2) I have just installed some program, and how do i verify that it have really installed
By running it? ;-p With your package manager? Say you installed the (fake name) openheartsurgery-1.0-1.i686.rpm. With the commandline tool you'd do "rpm -q openheartsurgery". If it's installed it'll return some info, if not installed it will tell you.
3) last one, During install a program, can i make a output file which have log what package have installed in my OS.
That's done on a daily basis by /etc/cron.daily/rpm.cron, IIRC.
There will be a file in /etc called aliases. There should be a section in there along the lines of
# Person who should get root's mail
and you just change user to your username
if you run sendmail as your MTA (the default for FC6 and if you don't know what I'm talking about you run sendmail) you then need to run newaliases (just type newaliases from the command line as root or sudo newaliases).
If you run postfix, you would run postalias /etc/aliases instead