Learning the Commandline – Looking at files

By now you should know your way around the file system and how to move around (if you don’t, go back and read the other articles. This is a series after all ). You may have wondered, “I have all these files, how do I see what’s inside them in Terminal?” There’s an app for that (sorry, couldn’t resist). Enter the cat command and it’s helpers. We’re also going to learn what a pipe is. cat is *nix for catalog, as in a listing of what’s in a file. ANY …

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Learning the Command Line – Editing files

Terminal — nano — test1-1

In this session we are going to learn one way of editing text files in Terminal. Back in the day there was pico. This was the editor part of the Pine mail program used in *nix. It was a very simple plain text editor used to create mail and text files. There are other editors such as vi, vim and emacs but those can get complicated and very powerful; these aren’t really needed to create or edit a simple text file. Fast forward to today, we now have nano, the …

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Review: Corel’s Master your DSLR course (Part One)

DSLR Course

Part One–The Ebooks (check back for Part Two–The DVDs) I’m not an artist—though I like to fancy myself one. I can’t draw, I can’t paint, I can’t sculpt grand masterpieces. But I have a need for an artistic outlet. I’ve always had an interest in photography. In high school—oh so many years ago—I took a photography course. You know, the kind where you learned not only how to take pictures, but how to develop your own film. Yes, film. Remember that stuff? Years later when I decided to rekindle my …

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Learning the Command Line – Bash Prompts (1)

Terminal — bash — 94×23 2014-03-27 16-38-17 2014-03-27 16-38-20

NOTE: This article assumes you have been following the other articles in this series. Another Note: I can’t take credit for this. I got it from a now defunct website called dotfiles.com. I don’t remember who the original author was and I’ve edited it to suit me. I won’t be explaining every little detail because some are more advanced. If you’ve been keeping up with this series, you’ll know I’ve promised you a little magic. This is it and you might learn a little something too. It’s really simple but …

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Learning the Command Line – Shell Scripts

Terminal commands are great but what if you want to have something done every time you login? What if you need to do something on several files or some other repetitive action and don’t want to type in the commands every time. That could get time consuming and dreary. In this article, we will set up our Terminal environment to make certain things a little easier and get a start on shell scripting. A shell script is a text file with all the commands you want run, one after another. …

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These Permissions Are Not The Repairs You’re Looking For – A Critical Look at Permissions in OS X

Screenshot 2013-11-29 11.14.32

So, your Mac is acting up. Indeed, a Mac is no more impervious to Murphy’s Law than a non-Mac PC (I use PC here in the literal sense to signify personal computer). What do you do when the inevitable occurs? The first response for many to this will differ – some will seek out a solution, some will be adept enough to tackle the problem head on, some will likely do some sort of voodoo dance (if life has taught me anything, it’s that if you can imagine it, someone …

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Confessions of a Recovering Gear-aholic

Hi everybody, I’m Mike and I like to buy stuff . . . lots of stuff.   I have all the latest and greatest cameras, computers, iPads, iPods, iPhones, routers, receivers, amps, speakers, TVs, and every other conceivable gadget and gizmo. If it’s new and techie, I either already have it, or am planning on buying it. DISCLAIMER: The above statement is not totally true. I don’t really have all of that stuff, but only because of limited funds, and a wife that isn’t nearly as enamored with gadgets as I …

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Learning the Command Line – File Permissions

Ever have a file you can’t do anything with? Can’t change it, can’t delete it, can’t even look at it? We’re going to find out why. FreeBSD, and by extension, OS X (which is loosely based on FreeBSD), uses file permissions. This lets the system control access to files and directories by different users. Would you want another user looking at your files? Of course not. Permissions determine who can access any file or directory and whether it can be edited or deleted. There are three types of access for …

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Learning the Command Line – File System

snow

Last time we learned how to list files, now let’s see where those files are. All your files reside on your hard drive, either internal, external or SSD. These drives have files and folders scattered throughout the drive but most are in certain places and are required for the system to function. Moving or deleting certain files or folders can cause your system to malfunction or even not boot. Best practice is if you don’t know what it is, leave it. The beginning of your drive, called the root, is …

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