Linux

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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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You can't cd or ls in a folder if you have no +x permissions on it. That is all. I wasted 3 hours of my life. (szmer.info)

submitted 11 months ago by [email protected] to c/[email protected]

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[–] [email protected] 15 points 11 months ago (1 children)

More than a decade of using linux and I still can't remember setfacl syntax. I have better luck remembering tar syntax.

[–] [email protected] 10 points 11 months ago (2 children)

tar -xzf extract ze file

[–] [email protected] 5 points 11 months ago

And tar -czf compress ze file. I saw someone post these mnemonic devices a while back and now I actually remember tar commands. Amazing!

[–] [email protected] 3 points 11 months ago (1 children)

This is a very useful way to remember it, but nowadays it's better to drop the z (which immediately makes the mnemonic more forgettable, of course). tar can autodetect compression now, so tar -xf should work on anything from plain tar archives over tar.gz to more unusual compression algorithms like tar.xz or tar.bz2.

(the z is specifically for gzip)

[–] [email protected] 3 points 11 months ago

You don't even need the dash (-).