ver punto 8.
New Year’s Resolutions for Linux and Unix SysAdmins.

kill

dev, news, warez

• https://www.reddit.com/r/ReverseEngineering/
• https://www.reddit.com/r/linux/
• https://www.reddit.com/r/programming/
• https://www.reddit.com/r/PHP/
• https://slashdot.org/
• https://news.ycombinator.com/
• https://www.cyberciti.biz/
• https://legalhackers.com/
• https://hackaday.com/
• http://blog.ircmaxell.com/
• https://ubuntuperonista.blogspot.com.ar/

  ---

comics

• http://www.commitstrip.com/en/
• http://turnoff.us/
• http://xkcd.com/
• http://www.smbc-comics.com/comic/password
• http://thecodinglove.com/
• http://abstrusegoose.com/
• http://dilbert.com/

https://www.youtube.com/watch?v=cKoRRA4MyM4

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Permissions:

1 – can execute
2 – can write
4 – can read

The octal number is the sum of those free permissions, i.e.

3 (1+2) – can execute and write
6 (2+4) – can write and read

Position of the digit in value:

1 – what owner can
2 – what users in the file group(class) can
3 – what users not in the file group(class) can

Examples:

chmod 600 file – owner can read and write
chmod 700 file – owner can read, write and execute
chmod 666 file – all can read and write
chmod 777 file – all can read, write and execute

25 years after Linus Torvalds unveiled Linux, the free operating system is still finding new uses.