From 7d83573a5f044455f78111305acd1748f25a2f3e Mon Sep 17 00:00:00 2001 From: Matthew Gillman Date: Wed, 8 Jul 2020 08:51:53 +0100 Subject: [PATCH] Fix issue #4 --- _episodes/00-hpc-intro.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/_episodes/00-hpc-intro.md b/_episodes/00-hpc-intro.md index da816fa..b9b526f 100644 --- a/_episodes/00-hpc-intro.md +++ b/_episodes/00-hpc-intro.md @@ -52,7 +52,7 @@ Using a cluster often has the following advantages for researchers: * **Volume.** Many HPC systems have both the processing memory (RAM) and disk storage to handle very large amounts of data. Terabytes of RAM and petabytes of storage are available for research projects. -* **Efficiency.** Many HPC systems operate a pool of resources that are drawn on by a many users. In +* **Efficiency.** Many HPC systems operate a pool of resources that are drawn on by many users. In most cases when the pool is large and diverse enough the resources on the system are used almost constantly. * **Cost.** Bulk purchasing and government funding mean that the cost to the research community for @@ -88,7 +88,7 @@ earliest days of computers, the only way to interact with early computers was to the 1950s to the 1980s most people used line printers. These devices only allowed input and output of the letters, numbers, and punctuation found on a standard keyboard, so programming languages and software interfaces had to be designed around that constraint and text-based interfaces were the way -to do this. Typing-based interfaces are often called a **command-line interface**, or CLI, to +to do this. A typing-based interface is often called a **command-line interface**, or CLI, to distinguish it from a **graphical user interface**, or GUI, which most people now use. The heart of a CLI is a **read-evaluate-print loop**, or REPL: when the user types a command and then presses the Enter (or Return) key, the computer reads it, executes it, and prints its output. The user then