What does the command "chmod 777 file.txt" do?

Grants read, write, and execute rights to everyone

Sets the file to read-only for all system users

Changes the ownership of the file to the root user

Makes the file invisible within standard listings

What is the "Root" user in Linux?

The superuser account with unrestricted system access

A system account used for basic guest access

The first user created during the OS installation

The default directory where all user data is stored

What does the "grep" command do?

Searches for a specific pattern within text

Compresses files into a single archive

Calculates the total size of a directory

Displays summary of system hardware

What is a "Man Page"?

The built-in documentation for commands

A specialized script for user setup

A utility to monitor system memory

A text-mode interface for web browsing

What does the "|" (pipe) operator do?

Sends one command’s output to another

Merges two files into a single document

Terminates a process running in background

Generates a temporary backup of a file

What does "df -h" show?

Available space on mounted filesystems

The list of currently open files

The total size of a specific file

Active network interface statistics

The primary system and service manager

A kernel module for disk management

A tool for managing network firewalls

A protocol for remote file sharing

What is the purpose of the /tmp directory?

Holds temporary files cleared at boot

Stores sensitive user password data

Contains permanent system binaries

Keeps network configuration backups

What is a "Shebang" ( #! )?

A line specifying the script interpreter

A comment line ignored by the shell

A flag to enable script optimization

A permission that allows execution

What is a "Symbolic Link" (Soft Link)?

A pointer to another file or directory

A full copy of the original file data

A hidden version of a system binary

A backup file used for system recovery

What does the /dev directory contain?

Files representing hardware devices

Source code for local development

Developer tools like the GCC compiler

User-specific desktop configuration

What does "tar -cvf" do?

Creates a new archive from files

Extracts an existing archive file

Deletes a folder and its contents

Encrypts a file for secure transport

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Linux: System Administration Fundamentals

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Linux: System Administration Fundamentals

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