Unix File Permissions Cheat Sheet

Excerpt from: Open Source GIS: A GRASS GIS Approach, First Edition, 2002 Table 2.1. Corregidor De Vista Alegre Arraijan. List of important UNIX system commands Command Important option(s) Impact of the command Impact of the option(s)/remarks cat file display text file contents chgrp file change group owner of file or directory chmod file change permissions for file or directory chown file change owner of file or directory cp source target copy file target may be a new file name or directory df -k partition display free space on hard drive -k: values in kilobyte, dot for current directory exit finish terminal session/program e.g.