Here's the thing: Mac OS X has a beautiful graphical user interface. Most GOOD shell scripts you come across on the web or magazines will be sh, bash or ksh. So why not start out learning the kind of things that will really be useful? If bash were any more difficult or less friendly than tcsh, using that might make sense, but bash is every bit as easy and friendly, and some would say it is even more friendly. Understand that I'm not saying that someone who is already comfortable with csh or tcsh should dump it and use bash.
Those people should continue to use what they are comfortable with.
Change the Shell in Mac OS X Terminal
This is directed at those of you who have no previous experience: don't waste your time with tcsh. What you want is a. That's the way I did it, but there is another way if you are an administrator. You'll be asked for your password, and then are allowed to make changes. Look those up in Wikipedia if you want to know more.
How to Customize Your Mac’s Terminal for Better Productivity
Backslashes are only used to quote special characters. For example, single quotes are usually found in pairs, and have special meaning. So if I want to use one without that meaning, I need to quote it:. Ahh, spaces. Here's the best thing to remember: spaces have to separate commands and their arguments. Because Unixish wildcards are literal. It won't show files that don't contain periods.
Unixish wildcards are also much more powerful than you will first realize. You will want to learn more about how they work later. Unixish systems don't do additional drives this way. Obviously this isn't traditional Unix. There's more going on here than meets the eye: some of the function of traditional Unix files is handled by Netinfo instead.
Mac OS X has made some changes that old Unix folk may find a little disconcerting. First, logging out doesn't close the shell window you can change that in Window Settings. More unusual for Unix folk is that case doesn't always matter. I can:. This is very confusing for old Unix hands. After making "appl", I cannnot "mkdir Appl". This can also cause problems with files brought from other Unix systems - although it is a little unusual, it is not unheard of to have two very different files whose names only differ in capitalization.
Keep that in mind. Of course you had better understand that Vi isn't going to put up with this "case doesn't matter" nonsense. The integration of Mac files to Unix is not entirely seamless. So if you save a file as text from most Mac applications, it gets saved with CR line endings. If you will be using Unix text editors and you will , you will need to convert the files.
How to Change Terminal Apps Default Shell in Mac OS X
That's not hard, but we'll get to it later. Keep this in mind if you are learning shell scripting and thought that it would be nice to use, say, AppleWorks to create the scripts. That just won't work. Finally, Unix has no concept of the Data and Resource forks that Mac applications use.
So while ordinary Unix usage would be to copy a file like this:. Yes, it is.
You can pick up a lot of knowledge just be reading about other Unix systems. As I mentioned earlier, most shell scripts will be bash compatible, and of course any book on Bash will be very useful. You can even discard all the graphical niceties if you like. Yes, there is a simple white on black vt screen in there if you want it.
Logout to return to the normal graphical login screen. Another way to get there is do do a "sudo shutdown now", which looks like it's bringing you to single user mode. You can also get to that by holding the Apple Key and "S" during startup. There are several things that your machine should do periodically. If you left your machine up and running and didn't let it go to sleep , it would do these things itself, but they are scheduled for odd times of day by default.
You can have it do this work yourself by running:. See Sudo for more information. Run these daily, weekly, and monthly just as their names imply.
- format memory stick for mac and pc.
- Configuring Your Shell!
- transformation pack for windows 7 to mac leopard.
- covenant eyes filter for mac.
- animated gif photoshop cs5 mac.
- apple macbook air vs mac mini.
In another article I'll cover what they do and show you more ways to have them run automatically, but this will work for now. Understand ahead of time that vi is not supposed to be friendly. It is supposed to be fast and powerful. The comparison is your Ford SUV vs.
You probably wouldn't want to use the dragster to go to the supermarket, but if you had to cover a quarter mile as fast as possible that would be your choice. Likewise, vi probably will not be your favorite word processor though it is mine.
But vi and its cousins will be indispensable when you need to make complex, automatic edits to text files. Anyway, here's what you do to "fix" Mac text files in vi:.
Hit ":". The cursor drops to the bottom of the screen. On your screen the whole thing looks like:. What does that mean? The morbidly curious can start by typing "man stty" if they need to know now.
How to open the command line.
That's true, but I never use it because I just prefer being specific. You may also need to be concerned about UTF conversions. Want more? It explains everything you need to know to make more use of OS X Terminal. Another excellent book is Linux Phrasebook yes, that's Linux but many of the shell commands are identical or very, very similar. Since version 4.
Related how to open shell in mac os x
Copyright 2020 - All Right Reserved