When using variables, they should be declared in order to be useful in shell scripting. This bash shell tutorial explains the declaration process.
Read more »Declaring Variables in Bash Shell Scripting
http://bashshell.net –
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Saving my sanity with Zenity : shell script interaction via the GUI
http://www.freesoftwaremagazine.com –
Whilst an increasing number of recent converts are avoiding it (and I don't blame them really), the shell is still a key tool for the majority of GNU/Linux users. Shell scripts are knocked-up, shared and deployed in all sorts of circumstances - some simply time-saving, others life-saving.
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