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How do you display last part of file in Unix?

NAME     tail — display the last part of a file SYNOPSIS     tail [-F | -f | -r] [-q] [-b number | -c number | -n number] [file …] DESCRIPTION     The tail utility displays the contents of file or, by default, its standard input, to the standard output.      The display …

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How to concatenate files in Unix?

NAME     cat — concatenate and print files SYNOPSIS     cat [-benstuv] [file …] DESCRIPTION     The cat utility reads files sequentially, writing them to the standard output.  The file operands are processed in command-line order.  If file is a single dash (-') or absent, cat reads from the standard input.  If file …

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How does shell execute an command?

Shell is the best interface till date that allows system admins to quickly interact with the operating system in UNIX by allowing them to type command in a terminal. Have you wondered how does it resolve these command line instructions and execute it? Let’s see, after the command line is …

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Basic Unix Troubleshooting Interview Questions

Unix has a lot of tools that are available at the Sys Admin’s disposal to figure out how the system is configured or how is it behaving under load etc all via the command line interface. The following are the some of very basic interview questions asked about Troubleshooting an …

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