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Enter your email below to get exclusive access to our best articles and tips before everybody else. RELATED ARTICLEHow to Use the New Task Manager in Windows 8 or 10The Task Manager in Windows 8 and 10 has been completely overhauled. You should be able to find when your Mac OS X system was installed from its install.log file. This information is interesting, especially when you compare it with other people’s computers. I worked at a company where the *nix admins and Windows admins were always in friendly debates over which is better. The only real way I know to figure that out is to look in one or both of the Program Files dirs to see what the earliest dir times are.
DID YOU KNOW?Researchers at the University of Twente in the Netherlands conducted a study focused on the decision making skills of people with empty or full bladders and found that those with fuller bladders made faster decisions and were better at delaying rewards to increase future gain; how this research may or may not relate to purchasing a new car or picking where to go to dinner is an exercise left to the reader.
Disclaimer: Most of the pages on the internet include affiliate links, including some on this site. One of the renowned search tool on Unix-like systems which can be used to search for anything whether it be a file, or a line or multiple lines in file is grep utility. Due its varying functionalities, it has many variants including grep, egrep (Extended GREP), fgrep (Fixed GREP), pgrep (Process GREP), rgrep (Recursive GREP) etc.
Main thing that remains to be investigated is what are the differences between the three main variants i.e.
In case of egrep, even if you do not escape the meta-characters, it would treat them as special characters and substitute them for their special meaning instead of treating them as part of string.
Like here, egrep searched for “file” string when the meta-characters were not escaped as it would mean by the meaning of these characters. Fgrep or the Fixed grep or grep -F is yet another version of grep which is fast in searching when it comes to search for the entire string instead of regular expression as it doesn’t recognize the regular expressions, neither any meta-characters. Fgrep searches for complete string and doesn’t even recognize special characters as part of regular expression even if escaped or not escaped.
We’ve already covered some practical examples of grep command you can read them here, if you want to get more out of grep command in Linux. If you find any other differences between these three versions of grep, do mention them in your comments. Currently a Computer Science student and a geek when it comes to Operating System and its concepts.
Through this article we are sharing our day-to-day Linux find command experience and its usage in the form of examples. That’s it, We are ending this post here, In our next article we will discuss more about other Linux commands in depth with practical examples.
We are happy to inform you that we are understanding linux commands with your examples easlly.

The material in this site cannot be republished either online or offline, without our permission. I have to say after using the Windows (Microsoft) world for a long while, I was a bit worried if I would be able to get into the Linux world. Since those historic days of using a text based operating system, we have advanced to using a mouse and a keyboard in a graphic world, moving, copy pasting and dragging windows and applications, text and other manipulations, which are now familiar to us as if we haven’t known anything else. In the desktop editions (Linux has a Server and Desktop editions) if you install an application using the command line (the Linux terminal) you will see the application showing up on the Desktop interface as a regular application which you can double click and run exactly in the same way that you would use if you where using the Microsoft windows operating systems.
After understanding in theory how strong the command line is in Linux, I guess we should give you some Idea of how and what type of commands can be used in Linux. Apt-get seeks the application you want to install, by going through those web sites which are in the source.list, and can find most of the known and mostly used applications and install them automatically. The catch with Linux, is that mostly you will have to configure the system you have installed, which usually means in the text (terminal) world, editing configuration files.
I was very pleased to find this web-site.I wanted to thanks for your time for this wonderful read!! First, open the Command Prompt — press Windows Key + R, type cmd into the Run dialog, and press Enter.
What you want to do is find a file that hasn’t been modified since you installed Linux and see when it was created. Click the Apple menu icon on the bar at the top of your screen, hold down the Option key, and click System Information. It shows me the date when then OS was initially installed, discounting any reformats I've done since then (considering a reformat is not technically an "install", I can see why this is). If I copy and paste from the article it has the Word processing Open and close quotes “ ” not the keyboard " " character so the quote character on each end is a different ascii character and does not work.
It is very vast in functionality which can be attributed to the large number of options it supports like: searching using string pattern, or reg-ex pattern or perl based reg-ex etc.
But these variants have minor differences to original grep which has made them popular and to be used by various Linux programmers for specific tasks. This version of grep is efficient and fast when it comes to searching for a regular expression pattern as it treats meta-characters as is and doesn’t substitute them as strings like in grep, and hence you are freed from the burden of escaping them as in grep. Apart from difference in the set of regular expressions used, and speed of execution, rest command line parameters remain same for all the three versions of grep and even instead of “egrep” or “fgrep”, “grep -E” or “grep -F” are recommended to be used. Have 1+ years of experience in Linux and currently doing a research on its internals along with developing applications for Linux on python and C. Find command used to search and locate list of files and directories based on conditions you specify for files that match the arguments. Even thought when I started my computer life, it was in the world of DOS (Microsoft DOS), which was a black screen and text interface which we used to do everything even design computer games (without graphic, like the famous SNAKE which runs after APPLES to eat them and grow longer). The Ubuntu system uses a basic tool called APT-GET, which is being used, to update the system, upgrade applications, and install applications from the web. The beauty of things is that you most likely find the instructions and examples of how to do the configuration editing on the Internet and all you will have to do, is go through the instructions and step by step configure your application.

I guess the reason I like this editor, is due to the fact I was coming to computers from Windows, and I just like to move freely within a text file using the keys and functions.
These simple commands are the basics of what you need to do with your Linux, at least for the basic simple things, Enjoy. I definitely enjoying every little bit of it and I have you bookmarked to check out new stuff you blog post.
Type the following command into the Command Prompt window and press Enter (note that you must type Original with the capital letter on older versions of Windows). One *nix admin insisted Unix was more stable and believed Windows had to be rebooted all the time. Why?Windows 8 should your quick start to the fact that really will not turn off: performs a kind of hibernation.
But when the special characters were escaped, then instead of treating them as part of string, grep treated them as meta-characters and searched for words “file” or “gile” in the file. Find can be used in variety of conditions like you can find files by permissions, users, groups, file type, date, size and other possible criteria.
The command language contain many functions and commands that let you operate and install anything you need from the operating system. Just like watching the sizes of the hard-disks in windows when you double click “my computer” and look at the hard disk sizes, and their capacities. I wouldn’t mind writing a post or elaborating on many of the subjects you write about here.
A long uptime means that you hadn't updated your computer in at least n days where n = your computer's uptime. So I had him grab the uptime for the production *nix servers and I pulled the uptime for Windows. So if I find a hard drive has had more than 20,000 hours then I advise my customer to replace it because the risk of failure in the next year or 2 is high, or make sure it is backed up. To end the editing and save or not save the changes you press CTRL+X and just choose yes (to save) or no (to ignore the changes).
You should have seen his face when he saw the uptime on Windows far exceeded his *nix servers. Western Digital have a similar tool called Data Lifequard Diagnostics but I can't understand how they present the power on hours in the smart info table. He said well at least one of his servers was the longest running, but then I pulled up a Windows NT 4 machine that ran our physical security software.

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