Commit cb8549d9 authored by bobloblaw's avatar bobloblaw
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Updates basics_of_linux.md 

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SUMMARY.md

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    * [Linux](linux.md)

        * [Basics of linux](basics_of_linux.md)

        * [Bash-scripting](bash-scripting.md)

        * Vim

    * Windows

        * [Basics of windows](basics_of_windows.md)

        * [Powershell](powershell.md)

basics_of_linux.md

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@@ -304,46 +304,6 @@ awk 'BEGIN{printf "IP-address \tPort\n"} /nop/ {print $3} END {printf "End of th 


Here we are printing IP-address    PORT to the first line of the file.



## Vim



### Search



In command-mode:



```

/

```



### Show line-number



```

:set number

:set nonumber

```



### Go to line



```

:100G

:100gg

```



### To to last line



```

G

```



#### Add character to the beginning of each line



I have needed to do this several time when I write batch-scripts that I want to copy-paste into a windows-machine using echo. Instead of having to add a `echo on each line I want to do it all at onece.`



Here is how you do it



Use Ctrl + V to enter visual block mode.  

Move Up / Down to select the columns of text in the lines you want to comment.  

Then hit Shift + i and type the text you want to insert.  

Then hit Esc , wait 1 second and the inserted text will appear on every line.



## 4. User management