The awk command can make it easy to remove duplicate characters from a string even when those characters aren’t sequential, especially when the process is turned into a script. First, the awk command ...

Typing characters that are not standard in English can be done quite easily in [Ubuntu] Linux without any modifications. In most situations, you can do this by using the Character Map utility included ...

In the old days of teletype terminals, terminals were located far away from computers and were connected to them through serial cables. The terminals could be configured by sending a series of bytes ...