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The Unix and Linux access rights flags setuid and setgid (short for set user identity and set group identity) [1] allow users to run an executable with the file system permissions of the executable's owner or group respectively and to change behaviour in directories. They are often used to allow users on a computer system to run programs with ...
Most file systems include attributes of files and directories that control the ability of users to read, change, navigate, and execute the contents of the file system. In some cases, menu options or functions may be made visible or hidden depending on a user's permission level; this kind of user interface is referred to as permission-driven.
A directory whose "sticky bit" is set becomes a directory in which the deletion of files is restricted. A file in a sticky directory may only be removed or renamed by a user if the user has write permission for the directory and the user is the owner of the file, the owner of the directory, or the super-user.
Adds read and execute permissions for all classes chmod u=rw,g=r,o= internalPlan.txt: Sets read and write permission for user, sets read for Group, and denies access for Others: chmod -R u+w,go-w docs: Adds write permission to the directory docs and all its contents (i.e. Recursively) for owner, and removes write permission for group and others
allows read permission to be enabled for all user classes; the rest of the mask bits are unchanged umask a-x: prohibits enabling execute permission for all user classes; the rest of the mask bits are unchanged umask a+rw: allows read or write permission to be enabled for all user classes; the rest of the mask bits are unchanged umask +rwx
SUSE Linux and Ubuntu 7.10 have added a MAC implementation called AppArmor, which utilizes the Linux Security Modules (LSM) interface of Linux 2.6. LSM provides a kernel API that allows modules of kernel code to govern ACL (DAC ACL, access-control lists). AppArmor is not capable of restricting all programs and is optionally in the Linux kernel ...
Windows 10 Mail – Follow steps for "Add an account using advanced setup." Windows Live Mail – Follow steps "To change server settings for your email service provider." IncrediMail – Follow steps "How do I reconfigure my email account?" iPhone Mail app – Follow steps to "Set up your email account manually."
The current Linux manual pages for su define it as "substitute user", [9] making the correct meaning of sudo "substitute user, do", because sudo can run a command as other users as well. [10] [11] Unlike the similar command su, users must, by default, supply their own password for authentication, rather than the password of the target user ...