How to Test Null Unix Script?

Answer Shell scripts are a powerful way of manipulating data and commands within the Unix operating system. Null variables are difficult to test, unless you know the correct way of doing this. In other la... Read More »

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How to Create a Script File on Unix?

A Unix script file is a plain text file that contains a list of commands that are executed in order. It is also called a shell script. A Unix shell is the text based interface between the user an... Read More »

What is the difference between a unix and a unix-like OS And are linux and BSD unix or a unix-like OSes?

The UNIX Specification is a set of rules that a UNIX operating system should follow.An operating can be UNIX-compliant, which means it follows all of these rules. Examples include SunOS and MacOS X... Read More »

Line b problem parsing xml; 'null' is null or not an object?

Is there any unix server to which you can connect through putty I want to practice Unix programming but I don't know what software I should use. I tried putty but I can't find any virtual server?

You need to talk to your administrator, vendor, or ISP to see what servers are available to you.