求助請(qǐng)各位大佬解釋一下findstr命令的含義在某批處理中看到的：

ver|findstr 5.[0-9].[0-9][0-9]* >NUL && (
rd /s/q %AllUsersProfile%Application Datakuwodatakwshow 2>NUL
rd /s/q %AllUsersProfile%Application DatakuwodatakwmusicUpdate 2>NUL
rd /s/q %AllUsersProfile%Application DatakuwodatakwmusicModuleDataModNotify 2>NUL
del/f/q %AllUsersProfile%Application DatakuwodatakwmusicModuleDataModMusicToolconf.txt >NUL 2>NUL
md %AllUsersProfile%Application DatakuwodatakwmusicModuleDataModMusicTool 2>NUL
echo f|copy /y BinDataconf.txt %AllUsersProfile%Application DatakuwodatakwmusicModuleDataModMusicTool >NUL 2>NUL
attrib +r %AllUsersProfile%Application DatakuwodatakwmusicModuleDataModMusicToolconf.txt 2>NUL
echo. >%AllUsersProfile%Application DatakuwodatakwmusicModuleDataModNotify 2>NUL
echo. >%AllUsersProfile%Application DatakuwodatakwmusicUpdate 2>NUL
echo. >%AllUsersProfile%Application Datakuwodatakwshow 2>NUL
)
ver|findstr <6.[0-9].[0-9][0-9]*> <10.[0-9].[0-9][0-9]*> >NUL && (
rd /s/q %ProgramData%kuwodatakwshow 2>NUL
rd /s/q %ProgramData%kuwodatakwmusicUpdate 2>NUL
rd /s/q %ProgramData%kuwodatakwmusicModuleDataModNotify 2>NUL
del/f/q %ProgramData%kuwodatakwmusicModuleDataModMusicToolconf.txt >NUL 2>NUL
md %ProgramData%KuwodatakwmusicModuleDataModMusicTool 2>NUL
echo f|copy /y BinDataconf.txt %ProgramData%KuwodatakwmusicModuleDataModMusicTool >NUL 2>NUL
echo y|icacls %ProgramData%kuwodatakwmusicModuleDataModMusicToolconf.txt /c /grant Everyone:(R,RX) /inheritance:r >NUL 2>NUL
echo. >%ProgramData%kuwodatakwmusicModuleDataModNotify 2>NUL
echo. >%ProgramData%kuwodatakwmusicUpdate 2>NUL
echo. >%ProgramData%kuwodatakwshow 2>NUL
)
nclick="copycode($('code0'));">復(fù)制代碼

一直不明白【ver|findstr 5.[0-9].[0-9][0-9]*】和【ver|findstr <6.[0-9].[0-9][0-9]*> <10.[0-9].[0-9][0-9]*>】的含義請(qǐng)各位大佬答疑解惑一下