this post was submitted on 17 May 2026
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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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If you make any changes to the game files in Steam, including compression, then Steam will update the files and redownload them. And for online games, you could even get a ban if an Anticheat system thinks you try to cheat because the files are tempered (changed).
However there is a transparent compression available on filesystem level. Meaning files are saved compressed and look and work like uncompressed files. Something similar what Windows has I believe. EXT4 does not have transparent compression, but I often read Btrfs and ZFS do. I have no experience with that, so cannot assist. But at least you should be able to search for this now. Have in mind that compressed filesystem would be slower.
Often the opposite is true, depending on case. Compressed files load faster, so if you have the cpu power to spare (which you usually have in games while loading) and loading speed is the bottle-neck then compression speeds things up, often considerably.
And even in the age of ssds processing data and moving it through ram is much faster than the disk, so even for writing some amount of transparent compression is possible without affecting speeds.