Most Linux distributions are considerably more secure than Windows out of the box. There are many reasons for that, including the inherent user and file permissions structure, the addition of ...
pg_passwd is a tool for manipulating flat text password files. These files can control client authentication of the PostgreSQL server. More information about setting up this authentication mechanism ...
On many of the most popular Linux distributions, including Ubuntu, it's possible to log into your computer as a "root" user. The root user is one of the highest possible types of accounts you can use ...
In other command types, only the second policy applies ... Below is a larger example of how this feature can be used in production environments. The table passwd emulates a Unix password file: -- ...
With awk, you can use more than one delimiter. In the following example, two delimiters are specified, so the awk command accepts either a colon or a blank to separate fields. The first two lines ...
Command sentences give instructions and tell someone to do something. They use imperative or bossy verbs, like 'jog on the spot'. If you put a bossy verb at the beginning of a sentence, it turns ...