$ ps2pdf
Usage: ps2pdfwr [options...] (input.[e]ps|-) [output.pdf|-]

PS2PDF(1)                         Ghostscript                        PS2PDF(1)

NAME
       ps2pdf - Convert PostScript to PDF using ghostscript
       ps2pdf12  - Convert PostScript to PDF 1.2 (Acrobat 3-and-later compatible)
       ps2pdf13 - Convert PostScript to PDF 1.3 (Acrobat 4-and-later  compatible)
       ps2pdf14  - Convert PostScript to PDF 1.4 (Acrobat 5-and-later compatible)

SYNOPSIS
       ps2pdf  [options...] {input.[e]ps|-} [output.pdf|-]
       ps2pdf12  [options...] {input.[e]ps|-} [output.pdf|-]
       ps2pdf13  [options...] {input.[e]ps|-} [output.pdf|-]
       ps2pdf14  [options...] {input.[e]ps|-} [output.pdf|-]