for txt: sudo apt-get install enscript ghostscript enscript -p sed_test.ps sed_test.txt ps2pdf sed_test.ps sed_test.pdf for jpg: convert *.jpp *.pdf(ps :can several to one) pdf read pic: http://blog.chinaunix.net/uid-25885064-id-3783846.html convert: http://www.cnblogs.com/liutongqing/p/6414279.html