Streams & Editors
This symbol redirects standard output to a file, overswriting it.
What is > ?
This file contains user account information like UID and home directory.
What is /etc/passwd ?
This command changes file permissions.
What is chmod ?
This directory contains device files.
What is /dev ?
What is the command that removes loaded kernel modules ?
What is rmmod ?
This comamand allows you to search text using regular expresssions.
What does UID and GID stand for?
UID: User Identification / Unique Identifier
GID: Group Identifier
This command changes the owner of a file ?
What is chown ?
It’s a program that runs before your operating system starts and helps your computer load Linux, Windows, or other Opperating Sytems.
What is GRUB ?
The kernel is responsible for managing these 3 primary system resources.
What is CPU, memory, and hardware devices ?
This operator sends the output of one command directly into another comamnd.
What is | (pipe) ?
This command adds a new user to the system.
What is useradd ?
What is the file or directory used to grant sudo privileges to users or groups?
What is /etc/sudoers ?
During boot, this file system is mounted first and contains essential system files.
What is the root filesystem (/) ?
This virtual filesystem provides kernel and process information.
What is /proc ?
This command reads from standard input and writes to standard output and files simultaneously.
What is tee?
This command modifies a user and can add them to a supplementary group.
What is usermod -aG ?
It logs you in as an interactive root user.
What is sudo -i ?
The sequence that happens from the moment you power on the computer until the operating system is up and running.
What is the boot processor ?
This type of kernel module allows user-space programs to communicate with hardware devices via standardized interface, often using character or block device files.
What is a device driver ?
What is the text editor designed for POSIX systems?
What is emacs?
This command forces a user to change their password at the next login.
What is passwd -e ?
It's special permission in Linux/ Unix that can be set on an executable file.
What is SUID?
This first software loaded by the firmware locates the operating system kernel and transfers control to it, starting the Linux boot sequence.
What is bootloader ?
This file in /proc shows CPU information, including model, cores,and flags.
What is /proc/cpuinfo ?