\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{Cesarblancg}
\pdfinfo{
  /Title (soper1.pdf)
  /Creator (Cheatography)
  /Author (Cesarblancg)
  /Subject (SOPER1 Cheat Sheet)
}

% Lengths and widths
\addtolength{\textwidth}{6cm}
\addtolength{\textheight}{-1cm}
\addtolength{\hoffset}{-3cm}
\addtolength{\voffset}{-2cm}
\setlength{\tabcolsep}{0.2cm} % Space between columns
\setlength{\headsep}{-12pt} % Reduce space between header and content
\setlength{\headheight}{85pt} % If less, LaTeX automatically increases it
\renewcommand{\footrulewidth}{0pt} % Remove footer line
\renewcommand{\headrulewidth}{0pt} % Remove header line
\renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit
% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
\newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns
\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
\definecolor{HeadBackground}{HTML}{333333}
\definecolor{FootBackground}{HTML}{666666}
\definecolor{TextColor}{HTML}{333333}
\definecolor{DarkBackground}{HTML}{A3A3A3}
\definecolor{LightBackground}{HTML}{F3F3F3}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{SOPER1 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Cesarblancg} via \textcolor{DarkBackground}{\uline{cheatography.com/54996/cs/18694/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}Cesarblancg \\
  \uline{cheatography.com/cesarblancg} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 1st February, 2019.\\
   Updated 1st February, 2019.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{p{1.64241 cm} x{3.33459 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Fork}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Permite crear un proceso hijo.} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Padre: & PID del hijo \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Hijo: & 0 \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Error: & -1 \tn 
% Row Count 4 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.69218 cm} x{3.28482 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{exec}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Pone en ejecución un programa. No cambia la identidad del proceso.} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
execlp & argumentos en lista \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
execvp & argumentos en vector a punteros (argv{[}{]}) \tn 
% Row Count 5 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{~~~~~~~~~~~~~~~~~~~~~~~~~~~{\bf{herencia}}} \tn 
% Row Count 9 (+ 4)
% Row 4
\SetRowColor{LightBackground}
PID,PPID,PGID,UID GID & variables de entorno \tn 
% Row Count 11 (+ 2)
% Row 5
\SetRowColor{white}
señales pendientes & tabla de descriptores \tn 
% Row Count 13 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{~~~~~~~~~~~~~~~~~~~~~~~~~~~{\bf{Diferente}}} \tn 
% Row Count 17 (+ 4)
% Row 7
\SetRowColor{white}
EUID,EGID & comportamiento ante señales \tn 
% Row Count 19 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{execlp}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{execlp(comando,comando,argumento1,....,0)} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Comando dos veces} \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{execvp}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{execvp(argv{[}1{]},\&argv{[}1{]})} \tn 
% Row Count 1 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{strtok(s,"\_")}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{La primera vez devuelve el puntero donde empieza la primera palabra y escribe un \textbackslash{}0 donde acaba} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Siguientes veces usar null en vez de s.} \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.14471 cm} x{3.83229 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{wait // waitpid(pid\_hijo,p\_estado,options)}}  \tn
% Row 0
\SetRowColor{LightBackground}
error & -1 (si no hay hijos) // errno =10 \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{~~~~~~~~~~~~~~~~~~~~~~~~~~~{\bf{Terminación}}} \tn 
% Row Count 6 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{voluntaria} & byte + significativo \tn 
% Row Count 8 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{~~~~~~~~~~~~~~~~~~~~~~~~~~~{\bf{proceso zombie}}} \tn 
% Row Count 12 (+ 4)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Cuando el padre no ha hecho wait} \tn 
% Row Count 13 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{~~~~~~~~~~~~~~~~~~~~~~~~~~~{\bf{proceso huérfano}}} \tn 
% Row Count 17 (+ 4)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Cuando el padre se cierra dejando hijios activos. Son adoptados por el init(pid=1)} \tn 
% Row Count 19 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.34379 cm} x{3.63321 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Signal(señal,comportamiento)}}  \tn
% Row 0
\SetRowColor{LightBackground}
Señal: & Nombre o número \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{comportamiento:} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
SIG\_DFL & 0 \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
SIG\_IGN & 1 \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{rutina\_captura} \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
 & puntero a función de parametro entero que devuelve void \tn 
% Row Count 7 (+ 2)
% Row 6
\SetRowColor{LightBackground}
Devuelve: & Comportamiento anterior \tn 
% Row Count 8 (+ 1)
% Row 7
\SetRowColor{white}
Capturar señal & Solo una vez \tn 
% Row Count 10 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{\#define SIG\_ERR(void(*)(int))-1}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.69678 cm} x{4.28022 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{kill(pid\_señalado,señal)}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{~~~~~~~~~~~~~~~~~~~~~~~~~{\bf{pid\_señalado}}} \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\textgreater{}0 & pid destino \tn 
% Row Count 5 (+ 1)
% Row 2
\SetRowColor{LightBackground}
=0 & todos los del grupo \tn 
% Row Count 6 (+ 1)
% Row 3
\SetRowColor{white}
=-1 & Todos los procesos(SU) \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\textless{}-1 & grupo de procesos con valor absoluto \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{~~~~~~~~~~~~~~~~~~~~~~~~~{\bf{matar a todos}}} \tn 
% Row Count 13 (+ 4)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{kill -9 -1} \tn 
% Row Count 14 (+ 1)
% Row 7
\SetRowColor{white}
\seqsplit{error:} & -1 \tn 
% Row Count 16 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{0.89586 cm} x{4.08114 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{alarm(sec)}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Programa la recepción de sIG\_ALARM dentro de sec segundos} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\seqsplit{alarm(0)} & Cancela la alarma que haya (Solo puede haber una) \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\seqsplit{devuelve:} & tiempo de la anterior alarma \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Recuerda capturar antes de hacer alarm}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} p{0.4977 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{pause()}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Suspende al proceso hasta la llegada de una señal capturada.} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{devuelve -1 al capturar señal} \tn 
% Row Count 3 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{0.84609 cm} x{4.13091 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Señales seguras}}  \tn
% Row 0
\SetRowColor{LightBackground}
\seqsplit{sigset\_t} & sigemptyset (todo vacío) \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
 & sigfillset(todo lleno \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
 & sigaddset(añadir) \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
 & sigdelset(borrar) \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
 & sigismember(sigset\_t,int signo) \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{int sigprocmask(int how, sigset\_t{\emph{ set,sigset\_t}} oset)} \tn 
% Row Count 8 (+ 2)
% Row 6
\SetRowColor{LightBackground}
how & SIG\_BLOCK //añade set al conjunto \tn 
% Row Count 10 (+ 2)
% Row 7
\SetRowColor{white}
 & SIG\_UNBLOCK // quita set al conjunto \tn 
% Row Count 12 (+ 2)
% Row 8
\SetRowColor{LightBackground}
 & SIG\_SETMASK // pone nuevo set como conjunto \tn 
% Row Count 14 (+ 2)
% Row 9
\SetRowColor{white}
oset & devuelve el conjunto previo de señales \tn 
% Row Count 16 (+ 2)
% Row 10
\SetRowColor{LightBackground}
set & devuelve el nuevo \tn 
% Row Count 17 (+ 1)
% Row 11
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{int \seqsplit{sigpending(sigset\_t*set)}} \tn 
% Row Count 18 (+ 1)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{int sigsuspend(sigset\_t* sigmask)} \tn 
% Row Count 19 (+ 1)
% Row 13
\SetRowColor{white}
 & operacion atomica para resolver problemas de sincro. \tn 
% Row Count 21 (+ 2)
% Row 14
\SetRowColor{LightBackground}
 & bloqueo sigusr1 \tn 
% Row Count 22 (+ 1)
% Row 15
\SetRowColor{white}
 & kill(   , sigusr1) \tn 
% Row Count 23 (+ 1)
% Row 16
\SetRowColor{LightBackground}
 & sigsuspend(desbloqueo) \tn 
% Row Count 24 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.53827 cm} x{2.43873 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Identificadores}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{~~~~~~~~~~~~~~~~~~~~~~~~~~~{\bf{Usuario}}} \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
UID: & id de usuario(0 para su) \tn 
% Row Count 6 (+ 2)
% Row 2
\SetRowColor{LightBackground}
GID: & id del grupo \tn 
% Row Count 7 (+ 1)
% Row 3
\SetRowColor{white}
~~~~~~~~~~~~~~~~~~~~~~~~~~~{\bf{Fichero}} & número de inodo \tn 
% Row Count 16 (+ 9)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{i-nodo} \tn 
% Row Count 17 (+ 1)
% Row 5
\SetRowColor{white}
UID: & propietario \tn 
% Row Count 18 (+ 1)
% Row 6
\SetRowColor{LightBackground}
GUID: & grupo propietario \tn 
% Row Count 19 (+ 1)
% Row 7
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{permisos de acceso(user-group-other)} \tn 
% Row Count 20 (+ 1)
% Row 8
\SetRowColor{LightBackground}
set-user-id & usuario efectivo \tn 
% Row Count 21 (+ 1)
% Row 9
\SetRowColor{white}
set-group-id & grupo efectivo \tn 
% Row Count 22 (+ 1)
% Row 10
\SetRowColor{LightBackground}
sticky bit & gestión en directorio compartido(\textbackslash{}tmp) \tn 
% Row Count 25 (+ 3)
% Row 11
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{~~~~~~~~~~~~~~~~~~~~~~~~~~~{\bf{Proceso}}} \tn 
% Row Count 29 (+ 4)
% Row 12
\SetRowColor{LightBackground}
PID & pid\_t getpid() //id padre \tn 
% Row Count 31 (+ 2)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{2.53827 cm} x{2.43873 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Identificadores (cont)}}  \tn
% Row 13
\SetRowColor{LightBackground}
PGID & pid\_t getpgrp() //id del grupo \tn 
% Row Count 2 (+ 2)
% Row 14
\SetRowColor{white}
UID & uid\_t getuid() // usuario real \tn 
% Row Count 4 (+ 2)
% Row 15
\SetRowColor{LightBackground}
GID & gid\_t getgid() // id del grupo usuario \tn 
% Row Count 6 (+ 2)
% Row 16
\SetRowColor{white}
EUID & uid\_t geteuid() //usuario efectivo \tn 
% Row Count 8 (+ 2)
% Row 17
\SetRowColor{LightBackground}
 & si(set-user-id==1) then EUID=UID \tn 
% Row Count 10 (+ 2)
% Row 18
\SetRowColor{white}
EGID & gid\_t getegid // grupo efectivo \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{3.43413 cm} p{1.54287 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Señales}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Por defecto termina el programa} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{ctrl+c o ctrl+y no se pueden controlar} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Terminación proceso hijo no se puede capturar} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
SIGINT & 2 \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
SIGQUIT & 3 \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
SIGPIPE & 13 \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
SIGALRM & 14 \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
SIGTERM & 15 \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
SIGUSR{[}1,2{]} & 16,17 \tn 
% Row Count 9 (+ 1)
% Row 9
\SetRowColor{white}
SIGCHLD & 18 \tn 
% Row Count 10 (+ 1)
% Row 10
\SetRowColor{LightBackground}
SIGSTOP & 23 \tn 
% Row Count 11 (+ 1)
% Row 11
\SetRowColor{white}
SIGCONT & 25 \tn 
% Row Count 12 (+ 1)
% Row 12
\SetRowColor{LightBackground}
SIGSEGV & 11 \tn 
% Row Count 13 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Llamadas sistema}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{int creat(char*path,mode\_t mode)}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
 & Crea un fichero o reescribe uno existente. Abierto solo para escritura. Si el fichero existe pierdes los datos. \tn 
% Row Count 5 (+ 4)
% Row 2
\SetRowColor{LightBackground}
 & Devuelve Descriptor de fichero o -1 \tn 
% Row Count 6 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{\bf{int open(char*path,int oflag, {[}mode{]})}}} \tn 
% Row Count 7 (+ 1)
% Row 4
\SetRowColor{LightBackground}
 & Permite abrir un archivo como lectura, escritura o ambas \tn 
% Row Count 9 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{[}oflag{]}} \tn 
% Row Count 10 (+ 1)
% Row 6
\SetRowColor{LightBackground}
 & O\_RDONLY 0 \tn 
% Row Count 11 (+ 1)
% Row 7
\SetRowColor{white}
 & O\_WRONLY 1 \tn 
% Row Count 12 (+ 1)
% Row 8
\SetRowColor{LightBackground}
 & O\_RDWR 2 \tn 
% Row Count 13 (+ 1)
% Row 9
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{{[}mode{]}} \tn 
% Row Count 14 (+ 1)
% Row 10
\SetRowColor{LightBackground}
 & O\_APPEND(cursor al final) \tn 
% Row Count 15 (+ 1)
% Row 11
\SetRowColor{white}
 & O\_CREAT(crea fichero) \tn 
% Row Count 16 (+ 1)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{int close( int fd)}}} \tn 
% Row Count 17 (+ 1)
% Row 13
\SetRowColor{white}
\mymulticolumn{2}{x{5.377cm}}{Elimina la entrada TDF y TFA y decrementa nºopens en TI} \tn 
% Row Count 19 (+ 2)
% Row 14
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Devuelve 0 o -1} \tn 
% Row Count 20 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}