Main Page | See live article | Alphabetical index In the Unix operating system, SHAR is an abbreviation of SHell ARchive. The shell archive is a shell script, and executing it will recreate the files. Directories are not recreated. This is like a self exploding archive file. It can be created with the unix 'shar' utility. To unarchive the files, you just need 'sh' shell in your system, which by default is. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.