Linux

Permissions

Terms

7 terms

  • chmod

    chmod is the Linux command that changes file mode bits, setting read, write and execute permissions for the owner, group and others on files and directories.

  • chown

    chown is the Linux command that changes the user and group owner of files and directories, which decides whose permission bits apply to each access.

  • File permissions

    File permissions in Linux define which users may read, write or execute a file or directory, using owner, group and other permission classes.

  • Linux ACL

    A Linux ACL is an access control list that extends standard owner, group and other permissions with rules for additional named users and groups on a…

  • Root account

    The root account is the Linux superuser with user ID 0, which bypasses normal file permissions and can change every part of the system.

  • sudo

    sudo is the Linux command that lets an authorized user run a single command as root or another user, governed by the sudoers policy and fully…

  • umask

    The umask in Linux is a per-process mask that removes permission bits from newly created files and directories, setting their default access rights.