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  2. List of GNU Core Utilities commands - Wikipedia

    en.wikipedia.org/wiki/List_of_GNU_Core_Utilities...

    Changes and prints terminal line settings tee: Sends output to multiple files test: Evaluates an expression timeout: Run a command with a time limit true: Does nothing, but exits successfully tty: Prints terminal name uname: Prints system information unlink: Removes the specified file using the unlink function uptime: Tells how long the system ...

  3. List of terminal emulators - Wikipedia

    en.wikipedia.org/wiki/List_of_terminal_emulators

    Terminal program for Windows, Linux, OpenBSD, NetBSD, Mac OS X, and FreeBSD Telix: Character: Serial port: MS-DOS: Terminal emulator for MS-DOS (discontinued since 1997) Tera Term: Character: Serial port, Telnet, xmodem and SSH 1 & 2 Windows: Tera Term is an open-source, free, software terminal emulator for Windows Terminal: Character: Local macOS

  4. Comparison of command shells - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_command_shells

    On Unix systems, the execute permission controls access to invoking the file as a program, and applies both to executables and scripts. As the permission is enforced in the program loader , no obligation is needed from the invoking program, nor the invoked program, in enforcing the execute permission – this also goes for shells and other ...

  5. File-system permissions - Wikipedia

    en.wikipedia.org/wiki/File-system_permissions

    This permission must be set for executable programs, in order to allow the operating system to run them. When set for a directory, the execute permission is interpreted as the search permission: it grants the ability to access file contents and meta-information if its name is known, but not list files inside the directory, unless read is set also.

  6. Access-control list - Wikipedia

    en.wikipedia.org/wiki/Access-control_list

    A filesystem ACL is a data structure (usually a table) containing entries that specify individual user or group rights to specific system objects such as programs, processes, or files. These entries are known as access-control entries (ACEs) in the Microsoft Windows NT, [4] OpenVMS, and Unix-like operating systems such as Linux, macOS, and ...

  7. chmod - Wikipedia

    en.wikipedia.org/wiki/Chmod

    Adds read permission for all classes (i.e. user, Group and Others) chmod a-x publicComments.txt: Removes execute permission for all classes chmod a+rx viewer.sh: 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

  8. List of POSIX commands - Wikipedia

    en.wikipedia.org/wiki/List_of_POSIX_commands

    This is a list of POSIX (Portable Operating System Interface) commands as specified by IEEE Std 1003.1-2024, which is part of the Single UNIX Specification (SUS). These commands can be found on Unix operating systems and most Unix-like operating systems.

  9. Application permissions - Wikipedia

    en.wikipedia.org/wiki/Application_permissions

    Permissions are a means of controlling and regulating access to specific system- and device-level functions by software. Typically, types of permissions cover functions that may have privacy implications, such as the ability to access a device's hardware features (including the camera and microphone), and personal data (such as storage devices, contacts lists, and the user's present ...