Bin/linux/mdbook serve Mac and Linux systems need to give mdbook executable permission: sudo chmod 755 bin/mac/mdbook sudo chmod 755 bin/linux/mdbook Write articles The document is written under /src, you can use mdbook to preview Mdbook manual is here PreviewHow to change your directory to 755 or drwxrxrx using chmod Chmod is a well known command line utility, that's used to manage file permissions on MacOS, Linux and other Unix like operating systems While there are multiple ways to use chmod, on this site, we have chosen to focus exclusively on using chmod with Octal Notation And the xargs command runs chmod 755 on the arguments it reads from standard input Assuming you don't have executable file names containing newlines, blanks, tabs and other oddball characters, that should do the job If you don't stick to the POSIX portable file name character set, you may have to work harder
Change Folder Permissions Command Line Terminal Mac X
Chmod 755 mac