How do I make an archive of many files or a directory? The Tape Archive program (tar) is used to create a single file from many files. Tar files are not smaller (compressed) than the original files, they are the union of all files archived. To compress tar files, use gzip or compress after creation. Cr... Read More
How do I determine the filetype of an unknown file? Use file to determine the type of a file. For example, you receive the file unknown from another user and you want to know sort of file is unknown. file unknown unknown: JPEG image data, JFIF standard file returns that unknown is a Jpeg file... Read More
How do I create a PDF (Adobe Acrobat) file from a dvi or PostScript file? To create a pdf from a PostScript document (ps), use ps2pdf user@surrey[1015]: ps2pdf test.ps user@surrey[1016]: file test.pdf test.pdf: PDF document, version 1.2 To create a pdf from a TeX, use pdftex or pdflatex user@surrey[1017]: pdflatex... Read More
How do I attach a file to an e-mail message? In Zimbra Webmail: Click on New Message on the left-hand side of the screen Type the e-mail address you want to send to on the To: line Click on Attach on the left-hand side. This will bring up a window where you can browse your folders and... Read More