\hypertarget{interface_synopsis}{}\subsection{Synopsis}\label{interface_synopsis}
\hypertarget{interface_name}{}\subsubsection{Name}\label{interface_name}
{\tt zcompress} - Compress a file using ZLIB library\hypertarget{interface_usage}{}\subsubsection{Usage}\label{interface_usage}
{\tt  zcompress $<$in\_\-file$>$ $<$out\_\-file$>$ }\hypertarget{interface_description}{}\subsection{Description}\label{interface_description}
This utility compresses a file's data and writes the compressed stream to the output file. Note that the entire input file is compressed in one shot. Also, a 32-bit word is prefixed at the start of the output file, giving the size in bytes of the original file data. 