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  2. cd (command) - Wikipedia

    en.wikipedia.org/wiki/Cd_(command)

    The cd command can be used to change into a subdirectory, move back into the parent directory, move all the way back to the root directory or move to any given directory. Consider the following subsection of a Unix filesystem, which shows a user's home directory (represented as ~) with a file, text.txt, and three subdirectories.

  3. chmod - Wikipedia

    en.wikipedia.org/wiki/Chmod

    In Unix and Unix-like operating systems, chmod is the command and system call used to change the access permissions and the special mode flags (the setuid, setgid, and sticky flags) of file system objects (files and directories). Collectively these were originally called its modes, [1] and the name chmod was chosen as an abbreviation of change ...

  4. Home directory - Wikipedia

    en.wikipedia.org/wiki/Home_directory

    A home directory is a file system directory on a multi-user operating system containing files for a given user of the system. The specifics of the home directory (such as its name and location) are defined by the operating system involved; for example, Linux / BSD systems use /home/ username or /usr/home/ username and Windows systems since Windows Vista use \Users\ username .

  5. Repository (version control) - Wikipedia

    en.wikipedia.org/wiki/Repository_(version_control)

    In version control systems, a repository is a data structure that stores metadata for a set of files or directory structure. [1] Depending on whether the version control system in use is distributed, like Git or Mercurial, or centralized, like Subversion, CVS, or Perforce, the whole set of information in the repository may be duplicated on every user's system or may be maintained on a single ...

  6. Git - Wikipedia

    en.wikipedia.org/wiki/Git

    Git is free and open-source software shared under the GPL-2.0-only license. Git was originally created by Linus Torvalds for version control during the development of the Linux kernel. [14] The trademark "Git" is registered by the Software Freedom Conservancy, marking its official recognition and continued evolution in the open-source community.

  7. Recognize a hacked AOL Mail account

    help.aol.com/articles/recognize-a-hacked-aol...

    Change your password immediately. 2. Delete app passwords you don’t recognize. 3. Revert your mail settings if they were changed. 4. Ensure you have antivirus software installed and updated. 5. Check to make sure your recovery options are up-to-date. 6. Consider enabling two-step verification to add an extra layer of security to your account.

  8. Version control - Wikipedia

    en.wikipedia.org/wiki/Version_control

    Version control (also known as revision control, source control, and source code management) is the software engineering practice of controlling, organizing, and tracking different versions in history of computer files; primarily source code text files, but generally any type of file.

  9. Follow These Steps if You’ve Been Hacked

    www.aol.com/products/blog/follow-these-steps-if...

    Change all your passwords – Yes, it may seem like an impossible task, but it is a mandatory one. The main reason for doing this is that if one of your accounts is hacked, there’s no way to ...