why it is necessary to declare the size of an array when entring the string from terminal while there is no need to declare the size when entering string through program??
whats the diffrenece between these two?? int *function (int) int (*function) (int)
what is name resolution in hosts file in nfs server?? how it works??
instead of using while,can we use the return value of read untill it returns 0 when it returns 0,it means all the chars in string has been read. ??
how to change yum configuration?? we want gcc package installation from cd using yum.