From the help for the 7ZIP command:
Whenever /K is used (I've tried all values from zero to five) the command fails with a "parameter is incorrect" error:
/Kn Set the compression method.
0 LZMA (default)
1 BZip2
2 Delta
3 Copy (no compression)
4 Deflate
5 LZMA2
0 LZMA (default)
1 BZip2
2 Delta
3 Copy (no compression)
4 Deflate
5 LZMA2
Whenever /K is used (I've tried all values from zero to five) the command fails with a "parameter is incorrect" error:
Code:
TCC 20.00.21 x64 Windows 10 [Version 6.3.14393]
TCC Build 21 Windows 10 Build 14393
d:\test>*dir /b
foobar.txt
d:\test>7zip foo.7z foobar.txt
<= D:\test\foobar.txt
d:\test>*dir /b
foo.7z
foobar.txt
d:\test>7zip /K1 foo_1.7z foobar.txt
TCC: (Sys) The parameter is incorrect.
"K1"
Usage : 7ZIP [A:[[-][+]rhsdaecjot] /A /C /D /F /Kn /Ln /M /P /O:[-]adegnrstu /P /Q /R /S"password" /T /T
EST /U /V] ziparchive [@file] file...