Exercise: Create Group-Shared File

  • In your home directory, create an empty file shared.txt [1].

  • Tune that file’s permissions so that every member of your team can write to it.

  • Nobody else must be able to access the file in any way.

Footnotes

cluster_linux Linux cluster_linux_basics Linux Basics cluster_linux_basics_intro Introduction: Concepts and Terminology cluster_linux_basics_shell The Shell (Bash - “Bourne Again Shell”) cluster_linux_basics_permissions File System Permissions cluster_linux_basics_permissions_exercises Exercises: File System Permissions linux_basics_intro_process Processes, Scheduling, Address Spaces linux_basics_intro_overview Overview linux_basics_intro_process->linux_basics_intro_overview linux_basics_intro_process_tree Process Hierarchy (Parent, Child Process) linux_basics_intro_process_tree->linux_basics_intro_process linux_basics_intro_login Login? What Is That? linux_basics_intro_login->linux_basics_intro_process_tree linux_basics_shell_cwd Current Working Directory linux_basics_shell_cwd->linux_basics_intro_process linux_basics_shell_commandline Commandline linux_basics_shell_cwd->linux_basics_shell_commandline linux_basics_shell_paths Absolute and Relative Paths linux_basics_shell_cwd->linux_basics_shell_paths linux_basics_shell_special_paths Special Paths linux_basics_shell_special_paths->linux_basics_shell_paths linux_basics_shell_ls Directory Listings: The ls Command linux_basics_shell_ls->linux_basics_intro_overview linux_basics_shell_ls->linux_basics_shell_cwd linux_basics_shell_ls->linux_basics_shell_special_paths linux_basics_shell_ls->linux_basics_shell_paths linux_basics_shell_commandline->linux_basics_intro_overview linux_basics_shell_paths->linux_basics_shell_commandline linux_basics_permissions_basics Permissions: Mode, User and Group Ownership linux_basics_permissions_basics->linux_basics_shell_ls linux_basics_permissions_exercises_shared_file Exercise: Create Group-Shared File linux_basics_permissions_exercises_shared_file->linux_basics_permissions_basics linux_basics_permissions_exercises_credentials Exercise: Determine Your User Credentials linux_basics_permissions_exercises_shared_file->linux_basics_permissions_exercises_credentials linux_basics_permissions_exercises_credentials->linux_basics_intro_login linux_basics_permissions_exercises_credentials->linux_basics_permissions_basics