Working at the Ubuntu Command-Line Prompt (Linux Nitty Gritty)
Keir Thomas
Language: English
Pages: 65
ISBN: B004RYVI0Q
Format: PDF / Kindle (mobi) / ePub
Keir Thomas is the world's most popular author writing about Ubuntu. His books have been read by over 1,000,000 people and are #1 best-sellers. His book Beginning Ubuntu Linux recently entered its sixth edition, and picked-up a Linux Journal award along the way. Thomas is also the author of Ubuntu Kung Fu.
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Get to grips with the Ubuntu command-line with this #1 best-selling and concise guide.
"Best buck I've spent yet" — Amazon review.
* Readable, accessible and easy to understand;
* Learn essential Ubuntu vocational skills, or read just for fun;
* Covers Ubuntu commands, syntax, the filesystem, plus advanced techniques;
* For ANY version of Linux based on Debian, such as Linux Mint--not just Ubuntu!;
* Includes BONUS introduction to Ubuntu chapter, plus a glossary appendix and a guide to reading Linux/Unix documentation.
no direct ties with GNU or Richard Stallman. Arguably, Stallman’s greatest gift to the world was not the GNU software, but the concept of Free Software. Much of Stallman’s activity nowadays involves evangelizing around the world about Free Software. NOTE Often the term open source is used instead of Free Software. It has a similar meaning—see www.opensource.org. Linux distros There isn’t just one version of Linux. There are hundreds. Versions are known as distributions of Linux, or
folder named photos and followed by any character: rm -r photos[134] In other words, each character within the square brackets is individually substituted within the filename, in a similar way to brace expansion. However, wildcards are designed to match patterns of characters in existing files (or data), so won’t work when creating files. APPENDIX A Glossary of terms The following is a partial glossary of terms you’re likely to encounter in this book, or in the Ubuntu
computers. link A method of providing a filesystem shortcut to a file. Links are either symbolic, or hard. The difference is technical but symbolic links are most widely used. Linux Technically speaking, Linux is the name of a kernel program. When used to describe an operating system, “Linux” describes a recreation of the *Unix operating system, usually using *Free Software. log A file containing details of various occurrences alongside the time/date they occurred. Used for
equates to the keyboard. Standard output refers to the device that shows output at the command-line. Usually this equates to the display. Standard error is like standard output, except it contains only error messages or warnings. swap Also known as virtual memory (or paging file under Windows); a file on the hard disk where the contents of memory can be temporarily cached to free-up physical memory for other software. Unlike Windows, the Ubuntu installer creates an entire *partition for
misclick disaster, this is considered insanely reckless and isn’t permitted by default. However, for some major administrative operations, access to a root-enabled GUI can be useful. To allow GUI login as root, click System > Administration > Login Window. Select the Security tab and put a check in the box marked Allow Local System Administrator Login. Then logout and back in. Give it a try—type root as the username at the login screen. TIP When logged in as an ordinary user you can