October 2001
Beginner
1024 pages
25h 8m
English
Content preview from FreeBSD® UnleashedBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Types of Shells Available
There are a lot of different shells available for FreeBSD, ranging from bare-bones to loaded with features. We aren't going to talk about all of the shells here, but we will look at some of the more popular ones. Let's begin with the earliest shell that is still in common use: the Bourne shell, commonly known as sh.
The Bourne Shell (sh)
The original Bourne shell was developed at Bell Labs by Steven Bourne for the AT&T UNIX operating system. FreeBSD, like many other versions of UNIX, has replaced the Bourne shell with the POSIX shell, which is basically an enhanced version of the Bourne shell that supports things such as command-line editing, command history, and aliases—all things that the original Bourne shell did ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.