Re: What to do when a command isn't found?

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Hi Tim,

Some utilities (including ifconfig) are considered "for system administrator use only", and are stored in /sbin or /usr/sbin. Normal users' $PATHs typically do not include these directories, while root's $PATH does. If you want to invoke those utilities, you can add these directories to your $PATH via ~/.bash_profile, or you can invoke them by their full path (e.g. /sbin/ifconfig).

Best,
-- Elliot

On Jul 6, 2006, at 12:58, Timothy Alberts wrote:

So I get this every now and then and haven't found a smooth method of
dealing with it.  I have my desktop upgraded from FC4 to FC5 and the
command 'ifconfig' comes back with 'bash: ifconfig: command not found.'
Additionally, I have been through tutorials on the web and different
books on running commands that more often than not, the bash shell comes
back with the same message.

My first question is, are the shell commands and features standardized
somewhere so that I know what commands I can expect to have no matter
what machine I'm sitting at or what type of installation I have?  My
second question is, if these commands are supposed to be there, but the shell comes back and says they aren't, what is the procedure for finding
the commands or installing the packages required for them?

I understand the 'which xxx' command will tell me the location of the
executable that is being used when I call a command. However it doesn't help me find a missing command. I also understand that typically shell commands are in /bin /usr/bin /usr/local/bin among others. If it helps,
when I type 'which ifconfig' the following is the result:

/usr/bin/which: no ifconfig in
(/usr/kerberos/sbin:/usr/kerberos/bin:/usr/local/bin:/usr/bin:/bin:
/usr/X11R6/bin:/home/talberts/bin)

Sorry these are fairly general questions so if it's easier to just focus
on the 'ifconfig' command that would be helpful.  Thank you for any
response.



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