Changing File Permissions

On computer filesystems, different files and directories have permissions that specify who and what can read, write, modify and access them. Permission Modes 7 5 5 user group world r+w+x r+x r+x 4+2+1 4+0+1 4+0+1 = 755 The permission mode is computed by adding up the following values for the user, the file group, and […]

Learn about robots.txt file

Block URLs with robots.txt A robots.txt file is a text file that stops web crawler software, such as Googlebot, from crawling certain pages of your site. The file is essentially a list of commands, such Allow and Disallow, that tell web crawlers which URLs they can or cannot retrieve. So, if a URL is disallowed […]

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