sudo command

I have recently started to managing FreeBSD server along with Ubuntu Linux. However, sudo command, always shows me the following error:

zsh: command not found: sudo

How do I solve this problem and use sudo under FreeBSD 9.x system?

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I‘m a new Unix user and trying to find the hidden directory called .movies but I do not know where it is on the file system. How do I find a hidden folder or directories under Unix like operating systems?

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How do I add a user to group under Ubuntu Linux operating system using command line options?

{ 9 comments }

How do I install TrueType fonts under Debian GNU/Linux desktop operating systems?

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I‘m typing the following command:

But, getting the error:

How do I fix this problem under Debian / Ubuntu / RHEL / CentOS Linux?

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How do I stop a process under Ubuntu Linux using command line and GUI tools?

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How do I install latest Firefox version 4.0 in Linux operating systems?

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