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Question about shell users
04-13-2002, 12:58 PM
Post: #1
Question about shell users
Hello,

I was wondering what the difference is between /bin/bash and /usr/bin/tcsh in the area where you can create new shell accounts.

Also, when someone has a shell account what do they have access to? What can they do that someone with just an FTP account can't do?

I would like to give people their own section on my server (resell some space) and was wondering what they could do to modify their accounts. Can they make email addresses for example? If not, is there a program I can install that will allow people to have control over their allowed space and features?

Thanks,

JJ
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04-13-2002, 03:28 PM
Post: #2
Question about shell users
Quote:I was wondering what the difference is between /bin/bash and
/usr/bin/tcsh in the area where you can create new shell accounts.

bash and tcsh are two of the more common interactive shells for UNIX and UNIX-like operating systems. bash is a derivative of the Bourne shell (/bin/sh); its name stands for "Bourne-again shell" - a bad pun. On most linux systems, /bin/sh is actually bash (one could make a good argument that this is a bad thing, but I digress).

tcsh is a derivative of the c shell (csh), but with many improvements.

if you haven't used either before, I'd suggest going with bash, but it really doesn't matter - for most simple stuff you won't notice the difference.

a shell basically translates your commands into something the operating system can understand. when you ssh or telnet to a UNIX machine, you're generally taken into an interactive shell; you'll see some sort of prompt, ie:

aura%

from there, you can enter commands.
I'd suggest these two kbase entries if you're not familiar with this environment at all.
https://kbase.newdream.net/index.cgi?area=149
https://kbase.newdream.net/index.cgi?area=259

You can also use ksh (pdksh) or zsh with our system, by using the 'chsh' command (the changes will be retained if the shell is valid for our system).

I personally am a big fan of zsh.

Quote:Also, when someone has a shell account what do they have access to?

See above; basically, it means that you can telnet / ssh into the server.

Quote:What can they do that someone with just an FTP account can't do?

A lot of things!

Quote:I would like to give people their own section on my server (resell some
space) and was wondering what they could do to modify their accounts.

Your best bet is to give them access to certain parts of the web control panel. You have pretty fine grained control over this. Check out 'Home' => 'Account Privileges" in the web admin panel.
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