Linux

File command in Linux

A file’s name on Linux doesn’t always tell you what’s inside, since a file ending in .dat can hold plain text. The file command looks at the contents and tells you what kind of data the file holds. I’ll show you how to check one file or many at once, and how to get output

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Linux ping Command

When a website won’t load or a server stops answering, the first thing to check is whether your computer can reach that machine at all. The ping command checks that by sending small test messages and timing the replies. I’ll show you how to run ping, read what it prints, and what a reply does

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