Questions tagged [standard]
The standard tag has no usage guidance.
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Documentation standard/nomenclature when to use explicitly the 'show' or 'display' term?
Mostly through man documentation is used either the show and display term when an output is shown/displayed in the terminal. It either with an option or without an option.
Just being curious:
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LC_TIME portability (and other locale settings)
It seems that Linux and FreeBSD (at least) have different notions of how presentation of time is implemented in different locales (LC_TIME), notably but not entirely in how the hour of day is ...
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Why did Red Hat relocate Apache to /usr/sbin
I run Apache http servers on Red Hat and Oracle Linux machines. The account requires that only packages from the Red Hat or Oracle repositories be used. That’s fine , they work and are reasonably ...
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Are any modifications to the FHS being worked on (by the Linux Foundation)?
https://unix.stackexchange.com/a/227625/386242 explains the myriad benefits of a simpler and more consistent filesystem hierarchy, but also that without any cross-OS standardization, such efforts are ...
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What does "site-wide" mean?
I'm reading man hier, which says:
/etc
Contains configuration files which are local to the machine. Some larger software packages, like X11, can have their own subdirectories below /etc. Site-...
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How should I interpret the fact that a Unicode code point is shown in two completely different ways in two different terminal emulators?
This is kind of a spin off from an older question I asked.
Here's the screenshot from that question:
In the bottom left is URxvt, and you can see a lighting bolt-like icon at the beginning of the ...
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What is the standard for "traditional Unix file system permissions"?
I am writing about Unix file permissions - i.e. user/group/world, read(4)/write(2)/execute(1), chmod(), etc. I would like to point the reader to a standard (e.g. Markdown have the CommonMark standard, ...
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Is /root a hard requirement for a modern Linux system? What about POSIX? UNIX?
I moved /root to /home/root and changed the appropriate entry in /etc/passwd in my Linux system quite some time ago and everything's worked until recently when I discovered that at least the firejail ...
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How to interpret "functions ... may also be defined as macros"?
For the sake of public record, I'm asking here at SE rather than on the standardization mailing list, so that it'd be more accessible to people.
With practically every headers that specify functions (...
- 620
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How to use one table (ods) file as a base for another table file?
I have an accounting ledger table (.ods) file which should be the base for other table files.
This table file should be the base for other table files such as:
2023.ods
2024.ods
2025.ods
These are ...
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When to clean up /var/tmp?
/var/tmp is not defined in POSIX, but is defined in FHS:
5.15. /var/tmp : Temporary files preserved between system reboots
5.15.1. Purpose
The /var/tmp directory is made available for programs that
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Why is unistd.h named the way it is?
Similar in spirit to this question about the etymology of linux commands, I'm curious about the origin of the name of unistd.h.
Does anyone know for certain what unistd.h stands for? If unistd.h was ...
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Single Unix Specification version 4 (Issue 7) moved bunch of Real-Time APIs to Base, What Next?
While reading the standard, I noticed that bunch of APIs were,
Introduced in Issue 5 for alignment with POSIX realtime APIs,
Marked for option group membership in Issue 6, and
Moved to Base in ...
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Cat alternatives for writing terminal input to file?
When I want to quickly write something to a file that either get's pasted or manually input from the terminal, a quick cat > something.txt and Ctrl+D to close, is a nice shortcut.
However of course ...
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Are there "non-standard" streams in Linux/Unix?
The so-called "standard streams" in Linux are stdin, stdout, and stderr. They must be called "standard" for a reason. Are there non-standard streams? Are those non-standard streams ...
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