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Test Your Knowledge in Computers #943
Difficulty: Medium
The Smurf attack is a DDOS attack in which large numbers of Internet Control Message Protocol (ICMP) packets with the intended victim's spoofed source IP are broadcast to a computer network using an IP broadcast address.
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UTIME(3)						   BSD Library Functions Manual 						  UTIME(3)

utime -- set file times LIBRARY
Standard C Library (libc, -lc) SYNOPSIS
#include <utime.h> int utime(const char *path, const struct utimbuf *times); DESCRIPTION
This interface is obsoleted by utimes(2). The utime() function sets the access and modification times of the named file, based on the actime and modtime fields of the struct utimbuf pointed at by times. If the times are specified (the times argument is non-NULL), the caller must be the owner of the file or be the super-user. If the times are not specified (the times argument is NULL), the caller must be the owner of the file, have permission to write the file, or be the super-user. ERRORS
The utime() function may fail and set errno for any of the errors specified for the library function utimes(2). SEE ALSO
stat(2), utimes(2) STANDARDS
The utime() function conforms to IEEE Std 1003.1-1988 (``POSIX.1''). HISTORY
A utime() function appeared in Version 7 AT&T UNIX. BSD
June 4, 1993 BSD

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