The history of Unix systems and their main components. Please DO NOT USE this tag for shell-related questions; use "command-history" instead.

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2answers
95 views

what are considered old and powerfull commands? [closed]

I came across the terms awk and sed, awk goes once through all lines and performs a task whenever a line meets a certain condition, sed can manipulate a stream of input before it goes further to the ...
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3answers
118 views

get IP address who modified a file

I am looking a way to to get the history of a file, like the modification date, who modified this file (ip address or username), the changed lines Is there a way to get the IP address or username of ...
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1answer
79 views

What can be considered as operating system? [closed]

I am talking about GNU/Linux but not about GNU or Linux! I know that Kernel is the core component in operating system but I want to know what defines the "operating system" (What can be considered as ...
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1answer
119 views

What really is bash? (or any linux shell) [duplicate]

I understand bash as a window where I can type commands to linux. Reading the wikipedia, I've learned that there were various shell applications throughout the history. First, I understood bash as ...
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3answers
62 views

Comparing integers: arithmetic expression or conditional expression

In Bash, two integers can be compared using conditional expression arg1 OP arg2 OP is one of ‘-eq’, ‘-ne’, ‘-lt’, ‘-le’, ‘-gt’, or ‘-ge’. These arithmetic binary operators return true if ...
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1answer
14 views

What was xhbin?

I've googled, searched Unix & Linux Stack Exchange, and... well, there's not really much else I can do, is there? I was browsing some quines in various shell languages, and I came upon the ...
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1answer
79 views

deleting all occurences of a given command from history [closed]

I am trying to delete a specific entry in history. Clarification--by that I mean deleting all occurences containing a given command/or text. I used Aliteralmind's hxf script: :< Examples hxf ...
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1answer
132 views

Did Linux have a bug where reading /dev/null would crash the system?

About 10 years ago I've been told by someone that for years Linux used to crash whenever you tried to read /dev/null (ie. cat /dev/null). Is this actually true? Did such a bug exist? And if it did, ...
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1answer
173 views

History of WINE

I will be doing a talk about WINE and how it has changed the situation for new Linux users that come from Windows and how it has matured from the start till know. I have much info already about it and ...
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1answer
53 views

important changes of linux 3.1 to 3.17 [closed]

I'm doing school research project for Linux operating system and I need help with summary of version 3.1 to 3.17. The problem is, I know very little about Linux and detailed technological terms used ...
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0answers
29 views

When was pipelining introduced?

I understand early versions of Unix were licenced from AT&T to Universities and ran on PDP computers. I read in Tanenbaum's book (operating systems) that the first versions of Unix were only a ...
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0answers
23 views

Save history to separate file with time-stamp and who did the action

I'm looking for a solution to capture all Linux commands to some file, there are many solutions but I prefer to capture all History to some file. I want it to include : "time-stamp" "Server-name" ...
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1answer
667 views

What does “dd” stand for? [duplicate]

What does dd stand for? I've always referred to it colloquially as "Disk Destroyer", but what are the "official" words that make up the acronym/command? According to this link and this link it could ...
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2answers
123 views

When was the threading implemented in unix?

Which is the first Unix version or Linux version which implemented threads. And in which version bound and unbound threads were implemented? I know that in current Linux version threads are unbound by ...
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3answers
927 views

Why is “shebang” called “shebang”?

Does "shebang" mean "bang she"? Why not "hebang" as "bang he"?
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1answer
129 views

Who was the original author of logrotate and what year was it written?

The question started as an internal team debate. But we realized we couldn't find any information about when the original version of logrotate was authored and who wrote it.Do you have idea?
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1answer
79 views

Why does GNU say it is “Not Unix”? [closed]

I use Fedora. Today I found GNU (on the web) about which I didn't know till yesterday. I knew that GNU is a Unix-like operating system that is free software but I didn't get why they say GNU's "Not ...
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2answers
141 views

What is the name of an animal used as a logo by the GNU Project? [closed]

What is the name of an animal used as a logo by the GNU Project (gnu.org)? And why was this animal chosen to represent the project?