this post was submitted on 16 Nov 2023
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Linux
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From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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hexdump
comes stock with most distros, no editing features, buthexdump -C filename
will at least let you see what’s in the fileNUL
characters (\00
in first screenshot or^@
in the nano screenshot)NUL
characters, text for the name, andSOH
(^A
) terminating the field name – then a padded line for the field values (values are probably meant to be fixed length)perl
andsed
, they were originally designed for situations like this, trying to get meaningful data out of disparate file formats