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आपने ग्राफिकल यूजर इंटरफेस का उपयोग कर लिया है । तो इसके बाद जो पहला कार्य होता है वह है अपने सिस्टम को अपडेट करना।

Regular Expression or regex, as assumed by many, is not a tool or software. Regular expression is a sequence of characters that define a search pattern. This was given back in 1950 by  mathematician Stephen Cole Kleene who then formalized the description of a regular language

Ubuntu 20.04 LTS is a Linux distribution which was released recently April 23, 2020. And as tradition it is given a nick name Focal Fossa.

Some or the other time as a sys admin you will come across a need to add multiple users to your Linux system. So the question is how to do the same.

Let us see how we can do the same in this post.

The GNU/Linux systems provide users options of different Graphical Users Interface(s).  Even thought there are different GUI(s), the usage primarily is same.

"Ubuntu Software" application working.shows up blank. This post talks how to resolve this issue.

BASH is the default shell in GNU/Linux systems.  While writing BASH scripts sometimes it become necessary to take action based upon the success of previous command. So how do we do this.

The actual install involves backing up data and predetermine space requirements for you new Linux system on your machine.

The hard drive need to be partitioned properly before you can install GNU/Linux system, some time if you want to keep the existing OS, you will need to resize the existing parts to make space for the new OS

The ISO image of a GNU/Linux Distribution is a huge file, if it gets corrupted during the download or while copying from some place, your whole installation could go bad

The Linux kernel is widely used now a days to for a usable system, generally what people refer as an OS, which we prefer to call as GNU/Linux distribution.  Linux itself is available as a Free Software as well as most of the GNU/Linux Distributions are also available under similar FOSS licenses.

Linux is an operating system, core kernel or the actual operating system.  It was developed by Linus Torvalds. The first prototypes of Linux were publicly released later that year (1991) under the GNU General Public License, designed and drafted by  Richard Stallman commonly knows as RMS the free software guru.