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This article is a more 10 examples continuation from the Episode 3 of our GNU sed command lines the series. This article covers how to combine sed with bash looping with delay time and sed line printings in general. This covers some examples about how to count line numbers, printing the first/last line, in single and multiple files. This article mixes some of the previous examples so if you miss something here we suggest you to read them first.

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Previously, we provided the first and second articles about GNU sed command line examples. Now it is the third article covering combination between sed and bash to do daily life jobs. We begin to focus in daily life jobs in this episode. This episode is a continuation of our previous articles. So if you miss something here, we suggest you to read the two previous episodes.

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Previously we have written the first 10 GNU sed command examples. But surely, sed is very large, we may find more new commands soon. This article covers another 10 GNU sed commands around replacing (‘s’ command) and deleting (‘d’ command). So, this article is a continuation of our previous GNU sed commands article. If you are just starting with sed, we suggest you to read the previous article first.

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GNU sed (stream editor) is a clone of UNIX sed command line program from GNU operating system. GNU sed is almost always included in every GNU/Linux distribution (e.g. Ubuntu). While the most of computer users edit a text file only with a real time text editor like Notepad, UNIX family users can edit a text file by a stream editor like sed. This article gives you the examples of stream editing for text file(s) with GNU sed. Because of it is GNU sed it is universal, so if you don't use Ubuntu (but at least you use any GNU/Linux distro), you can practice all of these command lines correctly. If you use another family of sed (e.g. UNIX or BSD one), probably you will need to adapt some commands because they have some differences.

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Do you have a registered nickname in Freenode IRC network? Then probably you are asking how to join with that nick via Hexchat. One of the common errors is Nickname is erroneous or already in use. This article This article provides short instructions about get rid from that kind of error.

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GNOME provides us easy way to add some different keyboard layouts and quickly change between then easily. This allows us to quickly switch English standard keyboard into Japanese or Chinese or Arabic or any other keyboard language set by a simple click on the top panel. Use this on your GNOME when you need to type some letters or any writing in Katakana, Pinyin, or another alphabet systems.

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Sticky Notes View by Dreamsorcerer is a GNOME Shell extension to place notes on your overview mode. You view/hide it by clicking its icon on the left-vertical panel.

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Do you like the Unity Launcher's Super+<Number> shortcut key behavior? If so, then AppKeys by franziskus extension is the alternative for it in GNOME Shell. AppKeys allows you to use Super+<Number> combination to run left-vertical launcher icon in GNOME Shell. If you like that Unity behavior, then you will like this AppKeys approach in GNOME.

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