Linux Command Directory


Linux in a Nutshell

This directory of Linux commands is from Linux in a Nutshell, 5th Edition.

Click on any of the 687 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Bookshelf.

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htdigest

htdigest [-c] filename realm username

Create or update user authentication files used by the Apache web server. The -c option is used if you wish to create the file, and will overwrite any existing files rather than update them. The three arguments are the file you wish to use as the authentication file, the realm name to which the user belongs, and the username you will update in the password file. You will be prompted for a password when you run the command.

The Apache manual contains information about authentication mechanisms, including more detail about using htdigest and the ways in which you can control access to the resources served by Apache.


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