unix shells

Learning to use Unix was like a rite of passage. It was the engineers' choice: complicated, powerful, infinitely flexible, and completely unfathomable to outsiders. Dilettantes could play with their graphical user interfaces. Serious programmers did shell hacking, pipes, and redirection, all through hastily typed ...

Get ready to take on the UNIX world! UNIX expert Randal K. Michael guides you through every detail of writing shell scripts to automate specific tasks. Each chapter begins with a typical, everyday UNIX challenge, and then shows you how to take basic syntax and turn it into a shell scripting solution.

In a blog post published Wednesday, Montreal-based GoSecure claimed that a piece of malware dubbed "Chaos" is infecting poorly secured systems by guessing weak passwords protecting secure shell application administrators use to remotely control Unix-based computers. The secure shell, or SSH, ...

13 and an introduction to Unix Shell workshop on Feb. 22. Some events are targeted to specific audiences; see the full schedule for more details. Data Fest is being held to coincide with the Digital Library Federation's Endangered Data Week and the global Love Data Week. Topics: Campus & Community.

Microsoft is also making Unix style sockets (AF_UNIX) on Windows. Two Win32 processes can now use the AF_UNIX address family over Winsock API to communicate with each other. You can read more about it from this blog. This build also includes several improvements for Windows Subsysten for Linux ...

... users can forgo dual-booting with Canonical's Ubuntu OS to get native Linux capabilities. Script-savvy Windows admins might wonder if Bash on Windows replaces PowerShell, which is similar to Unix and Linux systems and also already provides OpenSSH connectivity over the Secure Shell protocol.

Simply put, environment variables are variables that are set up in your shell when you log in. They are called “environment variables” because most of them affect the way your Unix shell works for you. One points to your home directory and another to your history file. One identifies your mail file, while ...

The Unix shell's && and || operators provide some very useful functionality, but they can be a bit mysterious, especially considering the number of options for how they are used. The most common use of these Boolean operators is in the construction of multi-conditional tests—when you want two or more ...

The shell is your friend. But many developers don't really know the shell, the Unix or Linux command-line environment available in several operating systems. (Bash is the best known, but there are others.) Some of you, when you transitioned from Windows to Mac, took your (slow) clickety habits with you, ...

The in-the-wild attacks targeting rTorrent are exploiting XML-RPC, an rTorrent interface that uses HTTP and the more-powerful XML to receive input from remote computers. rTorrent doesn't require any authentication for XML-RPC to work. Even worse, the interface can execute shell commands directly on ...