July 2018
Beginner
264 pages
8h 9m
English
Content preview from Bash Cookbook
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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.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.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.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.
How to do it...
- Open a terminal, and create the whoami.sh script:
#!/bin/bashVAR=$0echo "I was ran as: $VAR"
- Execute whoami.sh and observe what has happened:
$ bash whoami.sh
- Next, create a soft link to whoami.sh using the ln command:
$ ln -s whoami.sh ghosts-there-be.sh
- Next, run ls -la. Notice any differences?
ls -la ghosts-there-be.sh whoami.sh
- On to hard links, which are created this way using ln:
$ ln ghosts-there-be.sh gentle-ghosts-there-be.sh$ ln whoami.sh real-ghosts-there-be.sh
- Next, let's look at the difference in results when running the commands:
$ ls -la ghosts-there-be.sh whoami.sh real-ghosts-there-be.sh gentle-ghosts-there-be.sh lrwxrwxrwx 1 rbrash rbrash 18 Dec 12 15:07 gentle-ghosts-there-be.sh -> ghosts-there-be.sh ...
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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.