Add basic file I/O and process control syscalls

main.tex

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+\documentclass[a4paper]{article}
+
+\usepackage{baskervald}
+\usepackage{booktabs}
+\usepackage{courierten}
+\usepackage{cuted}
+\usepackage{helvet}
+\usepackage{mathtools}
+\usepackage{sectsty}
+\usepackage{tabularx}
+
+\pagenumbering{gobble}
+\setcounter{secnumdepth}{0}
+
+\allsectionsfont{\sffamily}
+
+\begin{document}
+
+\begin{center}
+  \LARGE \bfseries Basic Linux Syscalls
+  \vspace{1em}
+\end{center}
+
+\section{File I/O}
+
+\begin{tabularx}{\textwidth}{lr>{\ttfamily}cX}
+  \toprule
+  read & 0 & \%rdi & File descriptor to read from \\
+  & & \%rsi & Address of buffer \\
+  & & \%rdx & Number of bytes to read \\
+  \midrule
+  write & 1 & \%rdi & File descriptor to write to \\
+  & & \%rsi & Address of buffer \\
+  & & \%rdx & Number of bytes to write \\
+  \midrule
+  open & 2 & \%rdi & Address of path \\
+  & & \%rsi & Option flags \\
+  & & \%rdx & File creation mode \\
+  \midrule
+  close & 3 & \%rdi & File descriptor to close \\
+  \bottomrule
+\end{tabularx}
+
+\section{Process Control}
+
+\begin{tabularx}{\textwidth}{lr>{\ttfamily}cX}
+  \toprule
+  fork & 57 & \textrm{\textendash} & No parameters \\
+  \midrule
+  execve & 59 & \%rdi & Address of path \\
+  & & \%rsi & Address of array of arguments \\
+  & & \%rsi & Address of array of environment variables \\
+  \midrule
+  exit & 60 & \%rdi & Exit code \\
+  \bottomrule
+\end{tabularx}
+
+\end{document}