FREE RHCSA Linux Essentials Questions and Answers
Which of the following SHELL commands shows the tasks and users that are presently logged in?
The w command shows the tasks and users that are presently logged in.
You are employed at TestGeeks Inc. as a network administrator. The business's network is built on Linux. You have produced a 100-line document using the VI tool. In the first 50 lines of the paper, all instances of "net" should be changed to "Net." Which command from the list below will you use?
In order to replace all the occurrences of "net" with "Net" in the first fifty lines of the file, you will have to execute the following command:
:1,50 s/net/Net/g. This command is issued in the command mode of the VI utility. 1,50 defines the current document's initial and final line numbers where the command will execute. The s/ switch with the net/Net/g option will globally replace all the occurrences of "net" with "Net".
Which of the following tools may serve as a standalone spell checker?
Aspell is a tool that may serve as an alternative to ispell, a standalone spell checker, a test tool to evaluate Aspell's functionality, and a tool for organizing dictionaries.
"Which of the following describes Red Hat Enterprise Linux's Graphical Mail clients?
Each correct answer represents a complete solution. Choose two."
Please select 2 correct answers
The graphical mail clients in Red Hat Enterprise Linux are Evolution and Mozilla.
Mavi works for TestGeeks Inc. as a network administrator. The business's network is built on Linux. On the Linux operating system, Mavi is logged in as the root user. He wants to modify the private.txt file's updated date and time to November 11, 2009, at two o'clock in the morning. What command will Mavi use to complete his work from the list below? Each accurate response represents a complete solution. Decide which options apply.
Please select 2 correct answers
The scenario states that Mavi wishes to update the private.txt file's modified date and time to a particular day and time. He may do this using the touch -t or touch -d command. In contrast to the touch -t command, which requires the date and time in the format MMDDhhmm.ss, the touch -d command is more flexible.
For Perfect Solutions Inc., you are a network administrator. The business's network is built on Linux. A Linux server's configuration file has to be changed. Which of the aforementioned tools will you employ to complete the task?
On a Linux computer, users may create, change, and store files using the VI, a visual interactive text editor. It operates in the below modes:
Command: This is the command's default mode. In this mode, several commands can modify the opened text.
Text entry: In this mode, users can type straight into the text screen area.
You want to type the previous command again into the bash shell. Which control from the list below will you use?
The bash shell's history!! The command displays the last order that was input. The history command in the bash shell displays the most recently run commands. By default, the account is enabled. The authorities set +o history and establish o history can be used to enable or disable history, respectively. The HISTSIZE environment variable tells bash how many history lines should be retained.