From the course: Complete Guide to Navigating Linux: Working with Users, Files, and Networks
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Command overview - Linux Tutorial
From the course: Complete Guide to Navigating Linux: Working with Users, Files, and Networks
Command overview
- We're now at the end of this lesson, let's check out the commands that we've seen. Nano is a easy to use editor. Vim is more powerful but more difficult. That's why you might want to use vimtutor to get a quick tutorial. Cut allows you to filter columns out of text files, and sort allows you to sort output or text files. Grep is a universal filtering utility. Awk is like cut, but it offers a more programmatic way of getting information out of text files. Journalctl is what you use to read the systemd journal, which is the main system log on most modern Linux distributions. Lsblk lists block devices and mount is showing everything that is mounted so far. Findmnt is doing the same where you can see the mounted device and the directory it is mounted on. If ever you plugged in a device and you want to disconnect, you need umount. But before doing so, you might want to use sync to synchronize uncommitted text to disk. And if you have a problem doing a umount because of open files, lsof…
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Learning objectives43s
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Creating text files5m 55s
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Using common text file processing tools8m 18s
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A primer to regular expressions4m 59s
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Reading system logs3m 11s
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Understanding mounts2m 55s
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Mounting a USB thumb drive4m 2s
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Command overview1m 22s
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Lesson 3 lab: Managing text files, logs, and editors31s
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Lesson 3 lab solution: Managing text files, logs, and editors1m 47s
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