-ms=off : Disables solid mode for faster individual file access.
: Because similar data patterns across different files are compressed together, solid archives significantly reduce file size, especially for backups containing many small or similar files.
When creating a backup, this feature provides several benefits and trade-offs: backup.7z
The "solid" feature in a file refers to Solid Compression , a method where 7-Zip treats multiple files as a single continuous data block.
: If a portion of a solid block is damaged, it can potentially affect all files within that same block. -ms=off : Disables solid mode for faster individual
In the 7-Zip GUI , you can enable this by checking in the Add to Archive dialog. In the command line, use the -ms switch: -ms=on : Enables solid mode (default for 7z).
-ms=2g : Limits solid blocks to 2GB to balance compression and access speed. 7z(1) — p7zip-full — Debian stretch : If a portion of a solid block
: Modifying or deleting a file within a solid archive is more resource-intensive because the entire solid block must be rebuilt. How to use it