Merge pull request #22 from wireghoul/master

Updates to linux section for blind files
add systeminfo command to windows_cmd_config.md
Merge pull request #23 from yehualiu/systeminfo

add systeminfo command to windows_cmd_config.md
Removing execute permissions from chmod, not needed for text files
Removing execute permissions from chmod, not needed for text files
Removing execute permissions from chmod, not needed for text files
Removing execute permissions from chmod, not needed for text files
Merge branch 'upstream'