+anche al successivo del valore numerico assegnato all'ultimo segnale definito,
+in \ntab\ si è riportato l'elenco completo dei segnali definiti in Linux,
+comparati con quelli definiti in vari standard.
+
+\begin{table}[htb]
+ \centering
+ \begin{tabular}[c]{|l|c|c|c||c|l|}
+ \hline
+ Segnale & POSIX.1 & SUSv2 & Linux &Azione & Descrizione \\
+ \hline
+ \hline
+ SIGHUP &$\bullet$&&$\bullet$& A & Hangup \\
+ SIGINT &$\bullet$&&$\bullet$& A & Interrupt from keyboard \\
+ SIGQUIT &$\bullet$&&$\bullet$& C & Quit from keyboard \\
+ SIGILL &$\bullet$&&$\bullet$& C & Illegal Instruction \\
+ SIGABRT &$\bullet$&&$\bullet$& C & Abort signal from abort(3) \\
+ SIGFPE &$\bullet$&&$\bullet$& C & Floating point exception \\
+ SIGKILL &$\bullet$&&$\bullet$& AEF & Kill signal \\
+ SIGSEGV &$\bullet$&&$\bullet$& C & Invalid memory reference \\
+ SIGPIPE &$\bullet$&&$\bullet$& A & Broken pipe \\
+ SIGALRM &$\bullet$&&$\bullet$& A & Timer signal from alarm(2) \\
+ SIGTERM &$\bullet$&&$\bullet$& A & Termination signal \\
+ SIGUSR1 &$\bullet$&&$\bullet$& A & User-defined signal 1 \\
+ SIGUSR2 &$\bullet$&&$\bullet$& A & User-defined signal 2 \\
+ SIGCHLD &$\bullet$&&$\bullet$& B & Child stopped or terminated \\
+ SIGCONT &$\bullet$&&$\bullet$& & Continue if stopped \\
+ SIGSTOP &$\bullet$&&$\bullet$& DEF & Stop process \\
+ SIGTSTP &$\bullet$&&$\bullet$& D & Stop typed at tty \\
+ SIGTTIN &$\bullet$&&$\bullet$& D & tty input for background process \\
+ SIGTTOU &$\bullet$&&$\bullet$& D & tty output for background process \\
+ SIGBUS &&$\bullet$&$\bullet$& C & Bus error (bad memory access) \\
+ SIGPOLL &&$\bullet$&$\bullet$& A & Pollable event (Sys V). Synonym of SIGIO\\
+ SIGPROF &&$\bullet$&$\bullet$& A & Profiling timer expired \\
+ SIGSYS &&$\bullet$&$\bullet$& C & Bad argument to routine (SVID) \\
+ SIGTRAP &&$\bullet$&$\bullet$& C & Trace/breakpoint trap \\
+ SIGURG &&$\bullet$&$\bullet$& B & Urgent condition on socket (4.2 BSD) \\
+ SIGVTALRM &&$\bullet$&$\bullet$& A & Virtual alarm clock (4.2 BSD) \\
+ SIGXCPU &&$\bullet$&$\bullet$& C & CPU time limit exceeded (4.2 BSD) \\
+ SIGXFSZ &&$\bullet$&$\bullet$& C & File size limit exceeded (4.2 BSD) \\
+ SIGIOT &&&$\bullet$& C & IOT trap. A synonym for SIGABRT \\
+ SIGEMT &&&$\bullet$& & \\
+ SIGSTKFLT &&&$\bullet$& A & Stack fault on coprocessor \\
+ SIGIO &&&$\bullet$& A & I/O now possible (4.2 BSD) \\
+ SIGCLD &&&$\bullet$& & A synonym for SIGCHLD \\
+ SIGPWR &&&$\bullet$& A & Power failure (System V) \\
+ SIGINFO &&&$\bullet$& & A synonym for SIGPWR \\
+ SIGLOST &&&$\bullet$& A & File lock lost \\
+ SIGWINCH &&&$\bullet$& B & Window resize signal (4.3 BSD, Sun) \\
+ SIGUNUSED &&&$\bullet$& A & Unused signal (will be SIGSYS) \\
+ \hline
+ \end{tabular}
+ \caption{Lista dei segnali in Linux}
+ \label{tab:sign_signal_list}
+\end{table}