Questions tagged [posix]
POSIX stands for Portable Operating System Interface. It’s a family of standards specified by IEEE for maintaining compatibility among operating systems.
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Can multiple command arguments into variable and be expanded back in POSIX script?
In a POSIX shell script is it possible to store multiple command arguments into a variable and then expand that variable later in a command?
For example, given the following code that pass arguments ...
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What are these pax tarball characteristics and comments?
I created a pax archive with GNU tar 1.34 under Debian 11 and, upon viewing the tarball in 7-Zip (23.01) File Manager on Windows 10, I noticed these fields on the archived items:
Name
Characteristics
...
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need POSIX solution to remove special invisible characters from file
I have a file that comes to us from a third party (Windows) and is not in our control.
I observed that it has special characters like below:
root@DKERP:~# cat -ev ~/check_disk_space.sh
M-oM-;M-?#!/bin/...
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Why does 'find -o -print' produce no output?
I'm getting a result from the unix 'find' command that I don't understand.
Using the Terminal on MacOS, which I believe is a POSIX-compliant os, running this shell script:
#!/bin/bash
#
echo "...
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How to download file from docker container image without curl / wget?
I'm in the process of writing container features and I want to be able to install package on debian:latest, ubuntu:latest and alpine:latest. To do so, I'm willing to leverage pacapt, a pure shell ...
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Get current/previous commands with posix/bash (to set terminal emulator title to current command and re run them)
I'm running Alpine Linux 3.something thus mostly constricted to posix tooling
While I know how to set the title with escape sequences and can do so with tput tsl I don't know how to get the current ...
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Can you tag a file with metadata and later search for files by metadata?
I would like to tag generated files with generated: true. Then later I'd like to find and remove all generated files rm -rf ....
Right now I'm including generated in the filename filename.generated.go ...
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Linux getfacl and setfacl compatibility
Trying to use getfacl and setfacl commands to control ACLs to a specific file to enforce security. Wondering if these two commands are standard and if will they be available in most Linux ...
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Why can't I write to this pipe?
I followed the steps in the accepted answer in https://unix.stackexchange.com/questions/31824/how-do-i-attach-a-terminal-to-a-detached-process
However I get this
root@ca:/home/kali# echo blah > /...
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ZFS NFSv4 ACLs not displaying on the client side
I'm running ZFS [2.0.3] on Debian 10 with NFSv4 shares, setting xattr: on and acltype: posixacl, with my export using zfs set sharenfs being:
rw=@@hosts,async,no_subtree_check,no_root_squash
I can ...
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Why /usr/local/bin isn't in the path by default?
When I install third-party stuff on my Ubuntu, the default prefix is /usr/local, however, this path isn't on the PATH by default.
How should I put it on the PATH for all users and why isn't the ...
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Is there a filesystem that works on WIndows and natively on Mac with POSIX permissions?
I want to store my SSH keys on a USB drive and have it work on Mac and Windows. Which means I need a file system that has support for POSIX permissions so that I can use the SSH keys without copying ...
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What exactly do the three "special locales" called "en_US_POSIX", "en_001" and "en_150" mean?
There are quite a few English-language locales on my computer system (Windows 10). Most of them look like this, and make sense:
en_CA
en_DE
en_GB
en_IL
en_PK
en_US
...
But there are three special ...
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POSIX ps commands' output format ends with =
What does it mean by an equal sign that ps command ends with for its output format?
ps -o gpid= 1111
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Cross Platform Method to Compress and Span Huge Directories
I have followed several posts on how to create spanned files that can be re-joined later on the same or different system. However, I have never seen a posting on how to do this in a way that works ...
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