Shell We Begin?
This is the program that interprets commands you type at the command line, with Bash being the most common one in RHEL.
What is a shell?
This single character represents the root of the Linux filesystem hierarchy.
What is / (the forward slash)?
This single character redirects a command's standard output to a file, overwriting it.
What is > (the greater-than sign)?
This command lets a permitted user run a command with elevated privlidges
What is sudo?
This Red Hat product is the enterprise-supported Linux distribution that this course is built around.
What is Red Hat Enterprise Linux (RHEL)?
You press this key to auto-complete a command or filename you've started typing in Bash.
What is the Tab key?
This command creates an empty file or updates the timestamp of an existing one.
What is touch?
This command shows a snapshot of currently running processes.
What is ps?
In a permission string like rwxr-xr--, this position represents permissions for 'others'.
What is the last three characters?
This command-line tool is used on RHEL to install and update software packages from repositories.
What is dnf?
This command displays the manual page for another command.
What is man?
This type of link is essentially a pointer to another file's pathname and breaks if the target is moved or deleted.
What is a symbolic (or soft) link?
This signal, sent by default with the kill command, politely asks a process to terminate.
What is SIGTERM (signal 15)?
This numeric mode grants read/write/execute to the owner and read/execute to group and others.
What is 755?
This 32-bit address format, written as four numbers separated by dots, identifies a host on most networks today.
What is an IPv4 address?
This package manager in Redhat does not download dependencies
What is RPM
Before you can read files on a USB drive plugged into a RHEL system, you must perform this action to attach its filesystem to a directory.
What is mounting (or to mount it)?
This systemctl subcommand makes a service start automatically at boot.
What is enable?
This file stores user account information including UID, home directory, and login shell but not passwords.
What is /etc/passwd?
This command-line tool manages NetworkManager connections and devices on RHEL.
What is nmcli?
These are the modes in VIM
What is command, Insert, Visual, and Ex
In Vim, this sequence saves your changes and exits the editor.
What is :wq (or ZZ)?
To redirect both standard output and standard error to the same file in Bash, you use this redirection operator.
What is &> (or 2>&1)?
This SSH authentication method uses a matched pair of cryptographic files instead of a password.
What is key-based authentication (or public-key authentication)?
What is the name of the GUI used for redhat
GNOME (GNU Network Object Model Environment)