Linux Programming
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How to Determine a File Type on Linux
The Linux find command can be used to identify file types and, as part of a script, it can process those files. For example, to add images to a web page.
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Using SSH without a Password
SSH (Secure Shell) is a useful means by which users can access remote computers and run commands, and if a SSH Key is used then the user doesn't even need a password.
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Linux Commands: Changing Permissions with chmod
The Linux chmod command is used to change the read, write and execute permissions of files and directories and can be absolute or symbolic.
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Linux Secrets: How to Create a Link with ln
The Linux command ln allows a user to create multiple names for the same file.
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Redirecting the Linux Standard Input and Output
Not all Linux inputs have to be from the keyboard and not all Linux outputs have to be to the screen - this article looks at how to change these data streams.
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Linux Secrets: How to Use Wildcards with ls
Wildcard characters can be used with ls on Linux to provide a listing of the contents of a directory, but only selecting a very precise set of files.
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Linux Secrets: How to Customize the ls Output
The Linux command ls is used to list directory contents, but what it displays can be customized just by using a couple of options.
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Creating Linux Man Pages
Man pages provide an excellent on-line resource for every Linux user, and this article shows how to built a Man page from scratch - a Man page for using Yahoo! Finance
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An Introduction to AWK
This article looks at AWK - a powerful Linux tool that can be used to analyse and format data such as CSV files containing stock quotes from Yahoo! Finance.
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An Introduction to Linux Shell Scripting
A Linux shell script can be a powerful tool - this articles looks at examples of a few of the scripting languages that are available to the programmer.
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