REM This is a comment
:: This is too, but only newer CMD versions
echo hello &:: This is a line comment, because & seperates commands
REM Set and display variables:
set a=5
echo %a%
set a=5 & echo %a% &:: Not equivalent! Not evaluated left to right!
REM Show available commands:
help
REM Show help on specific commands (both display the same):
help dir
dir /?
REM Redirect command output to file:
dir > test.txt
REM Append command output to file:
dir >> test.txt
REM Show File contents:
type test.txt
REM Redirect command output to another command:
type test.txt | more
