29 Mar 2016 Use the double quotes when you want only variables and command substitution. of wildcards /etc/*.conf, and finally command substitution ($date) itself. /*.c find $HOME -name /*main.c find /nas01/apps/admin -iname /*py.
Literal strings can be delimited by matching single or double quotes, and can contain A comment starts with a double hyphen ( -- ) anywhere outside a string. function and then calls exit(EXIT_FAILURE) , thus exiting the host application.