openPDF package:Biobase R Documentation _O_p_e_n _P_D_F _F_i_l_e_s _i_n _a _S_t_a_n_d_a_r_d _V_i_e_w_e_r _D_e_s_c_r_i_p_t_i_o_n: Displays the specified PDF file. _U_s_a_g_e: openPDF(file, bg=TRUE) _A_r_g_u_m_e_n_t_s: file: A character string, indicating the file to view bg: Should the pdf viewer be opened in the background. _D_e_t_a_i_l_s: Currently this function works on Windows and Unix platforms. Under Windows, whatever program is associated with the file extension will be used. Under Unix, the function will use the program named in the option "pdfViewer" (default is 'acroread'). The 'bg' argument is only interpreted on Unix. _V_a_l_u_e: This function is executed for its side effects. The specified PDF file is opened in the PDF viewer and 'TRUE' is returned. _A_u_t_h_o_r(_s): Jeff Gentry _E_x_a_m_p_l_e_s: ## Not run: openPDF("annotate.pdf")