Writing your first shell script

Shell scripts are a simple way of completing (repetitive) tasks on the command line, much like many programming languages will be used. You will see ~ something — ignore the ‘~’ this is to signify that it is a command entered onto the command line itself. Writing the code ~ vi helloworld.sh #!/bin/bash # My [...]

Quick text replacement Vi tip

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This came about as i wanted to replace just a few lines of text in vi. Work out what range of lines to select :set number Find the lines you wish to modify 35 #Hosts per intl 36 192.168.0.22 uk.dev.site.com 37 192.168.0.22 de.dev.site.com 38 192.168.0.22 es.dev.site.com 39 192.168.1.92 it.dev.site.com 40 192.168.0.21 fr.dev.site.com Do the replacement [...]