Limitations and Pitfalls of Cloud Computing

Cloud computing companies have become commonplace. Business people recognize that cloud-based software and services make it possible to use computing resources more efficiently. Large capacity servers in massive server farms can run applications and services and provide good performance. The cloud isn’t scary anymore and everyone uses it....

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df Command in Linux with examples

There might come a situation while using LINUX when you want to know the amount of space consumed by a particular file system on your LINUX system or how much space is available on a particular file system. LINUX being command friendly provides a command line utility for...

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help Command in Linux with examples

If you are new to LINUX operating system and having trouble dealing with the command-line utilities provided by LINUX then you really need to know first of all about the help command which as its name says help you to learn about any built-in command. help command as...

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ps command in Linux with Examples

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As we all know Linux is a multitasking and multi-user systems. So, it allows multiple processes to operate simultaneously without interfering with each other. Process is one of the important fundamental concept of the Linux OS. A process is an executing instance of a program and carry out...

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wc command in Linux with examples

wc stands for word count. As the name implies, it is mainly used for counting purpose. ◈ It is used to find out number of lines, word count, byte and characters count in the files specified in the file arguments. ◈ By default it displays four-columnar output. ◈...

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Join Command in Linux

The join command in UNIX is a command line utility for joining lines of two files on a common field. Suppose you have two files and there is a need to combine these two files in a way that the output makes even more sense.For example, there could...

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Execute Mysql Command in Bash / Shell Script

Q) How to connect to mysql database from a bash script in unix or linux and run sql queries? Bash scripting helps in automating things. We can automate running sql queries by connecting to the mysql database through a shell script in unix or linux system. Here we...

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Move / Rename files, Directory - MV Command in Unix / Linux

Q. How to rename a file or directory in unix (or linux) and how to move a file or directory from the current directory to another directory? Unix provides a simple mv (move) command which can be used to rename or move files and directories. The syntax of...

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