If you use Windows today and type ls, cat, grep, or awk in a terminal, there is a good chance something useful will happen. That was not always true. For most of the history of personal computing, ...

This page is written for users of Unix operating systems -- Linux, Mac OS X, FreeBSD, AIX, HP-UX, IRIX, Solaris, etc. The Kermit FTP client is also available in Kermit 95 2.0 for Windows 9x/ME/NT/2000 ...

The Terminal app in macOS keeps track of recent commands you've used so you can reuse them at a later time. Here's how to clear Terminal's command history. When you type commands and press return in ...

Have you ever wanted to learn “scripting” in Linux? Making them is easier than you might think. Sometimes scripts (often referred to as shell or bash scripts) are real programs with complicated code ...

ShellSpec uses shell built-in commands and only few basic POSIX-compliant commands to support wide range of environments (except kcov for optional code coverage). The installation using the web ...

Since the early days of Unix, the shell has been part of the user's interface with the operating system. The first Unix shell (the Thompson shell) had very limited features, mainly I/O redirection and ...

This shell script helps the WRF-Chem users to install the Weather Research and Forecasting (WRF) model coupled with Chemistry (WRF-Chem) version 4.5 and Kinetic PreProcessor (KPP) on Ubuntu 22.04.2 ...