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  2. File-system permissions - Wikipedia

    en.wikipedia.org/wiki/File-system_permissions

    The read permission grants the ability to read a file. When set for a directory, this permission grants the ability to read the names of files in the directory, but not to find out any further information about them such as contents, file type, size, ownership, permissions. The write permission grants the ability to modify a file. When set for ...

  3. List of FTP server return codes - Wikipedia

    en.wikipedia.org/wiki/List_of_FTP_server_return...

    Help message. Explains how to use the server or the meaning of a particular non-standard command. This reply is useful only to the human user. 215: NAME system type. Where NAME is an official system name from the registry kept by IANA. 220: Service ready for new user. 221: Service closing control connection. Logged out if appropriate. 225

  4. List of POSIX commands - Wikipedia

    en.wikipedia.org/wiki/List_of_POSIX_commands

    Permit or deny messages Version 1 AT&T UNIX mkdir: Filesystem Mandatory Make directories Version 1 AT&T UNIX mkfifo: Filesystem Mandatory Make FIFO special files 4.4BSD [dubious – discuss] more: Text processing Optional (UP) Display files on a page-by-page basis 3BSD msgfmt: Misc Mandatory Create messages objects from messages object files mv ...

  5. Why did I receive an email from MAILER-DAEMON? - AOL Help

    help.aol.com/articles/what-is-a-mailer-daemon...

    When you get a message from a "MAILER-DAEMON" or a "Mail Delivery Subsystem" with a subject similar to "Failed Delivery," this means that an email you sent was undeliverable and has been bounced back to you. These messages are sent automatically and often include the reason for the delivery failure.

  6. mkdir - Wikipedia

    en.wikipedia.org/wiki/Mkdir

    On Unix-like operating systems, mkdir takes options. The options are: -p (--parents): parents or path, will also create all directories leading up to the given directory that do not exist already. For example, mkdir -p a/b will create directory a if it doesn't exist, then will create directory b inside directory a. If the given directory ...

  7. Today's Wordle Hint, Answer for #1338 on Sunday, February 16 ...

    www.aol.com/todays-wordle-hint-answer-1338...

    If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1338 ahead. Let's start with a few hints.

  8. File locking - Wikipedia

    en.wikipedia.org/wiki/File_locking

    Using the mkdir command and checking the exit code for failure [11] Lock files are often named with a tilde (~) prefixed to the name of the file they are locking, or a duplicate of the full file name suffixed with .LCK . If they are locking a resource other than a file, they may be named more arbitrarily.

  9. Kate Middleton Played a Classic Road Trip Game as She Took on ...

    www.aol.com/kate-middleton-played-classic-road...

    On Feb. 3, Kate shared a personal message of support for others battling the disease in a new social media post: "Don’t forget to nurture all that which lies beyond the disease." She signed the ...