this post was submitted on 29 Nov 2024
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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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You can use apt without updating first. You'll just be installing potentially outdated versions if the cached repository information is old. Though you may run into issues if you do partial upgrades (updating the cached repository, but not running an upgrade, then installing something new). Though this is less of an issue on Ubuntu since they try not to do big updates.
The error message should tell you that you can't have multiple commands running at once. The error message is a bit too technical, citing the lock files.