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JCJason Corleyjasoncorley.hashnode.devMay 22 · 1 min read

have you ever

have you ever gone off and done a thing and at the end looked back and thought: I have no idea what I was trying to accomplish there I think I had an idea when I started on this container but I have

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JCJason Corleyjasoncorley.hashnode.devMay 8 · 3 min read

in the beginning

are those original UNIX manuals? dr stewart, or billy as he preferred to be called, was a fixture at the university long before i started working there. for those that aren’t familiar with them, UNIX

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RHrenan hafsarlinux-notes.hashnode.devMay 8 · 5 min read

Why Linux Uses Slash, Instead of Backslash Like on Windows

One of the first things many users notice when moving from Windows to Linux is the difference in file paths, particularly the directory separator. On Linux, directories are separated using the forward

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GDGábor Dombayawklab.comApr 9 · 12 min read

Unix Pipes Under Load: Streaming, Barriers, Backpressure, and Bottlenecks

1. The Unix pipeline Every Unix user knows the pipe operator. Typing ls | wc -l, and two independent programs exchange data as if they were designed together. That simplicity reflects a deliberate des

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GDGábor Dombayawklab.comMar 14 · 23 min read

When RAM Matters: Memory Efficiency of AWK Variants

The AWK scripting language emerged from Bell Labs in 1977, named for its creators Alfred Aho, Peter Weinberger, and Brian Kernighan. AWK is still widely used today, as a core tool it is available on a

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SShahrukhshahrukh-khan.hashnode.devFeb 12 · 2 min read

What is a Shell?

When you first open a terminal in Linux, you aren't just looking at a "black box." You are interacting with a Shell. But did you know there isn't just one type of shell? What is a Shell? Think of the Shell as a translator. You speak "Human" (typing c...

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GDGábor Dombayawklab.comFeb 10 · 7 min read

The BEHILOS Benchmark

In his book Unix: A History and a Memoir, Brian Kernighan recounts his favorite grep story from the early days of Unix. Someone at Bell Labs asked whether it was possible to find English words composed only of the letters formed by an upside-down cal...

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KMK M ASHIQUR RAHMANashiqurrahmanblogs.hashnode.devFeb 5 · 5 min read

How Open Source Became a Movement: From Xerox to Linux

Open source did not begin as a marketing term or a licensing model. It began as a response to a fundamental shift in how software was controlled. What started as a practical frustration inside a research lab eventually grew into a global movement tha...

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GDGábor Dombayawklab.comFeb 1 · 7 min read

AWK: the Zero-Setup Pre-Processor

Modern data pipelines most often fail at their beginning, not their end. A malformed record, an unexpected delimiter, or an encoding anomaly can cause otherwise robust processing engines to abort after consuming significant computational resources. T...

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GDGábor Dombayawklab.comJan 31 · 8 min read

AWK Syntax Essentials

Syntax is based on The AWK Programming Language, 2nd Edition by Alfred V. Aho, Brian W. Kernighan, and Peter J. Weinberger. Pattern A pattern determines when an action is executed. When a pattern matches an input line, its associated action is execut...

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#unix

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Trending tags this week

have you ever

in the beginning

Why Linux Uses Slash, Instead of Backslash Like on Windows

Unix Pipes Under Load: Streaming, Barriers, Backpressure, and Bottlenecks

When RAM Matters: Memory Efficiency of AWK Variants

What is a Shell?

The BEHILOS Benchmark

How Open Source Became a Movement: From Xerox to Linux

AWK: the Zero-Setup Pre-Processor

AWK Syntax Essentials