Linux Essentials - Chapter 6

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Which of the following directories stores various executable not needed for booting or repairing the Linux system? /usr/sbin /usr/local /usr/bin /usr/share/doc

/usr/bin

Command that searches summary info contained in man pages for the keyword you specify?

whatis

What command is used to search summaries of man pages?

whatis

What command would be used to search summary info contained in man pages for the 'ls' command?

whatis ls

Command that searches for files in a restricted set of locations, such as standard binary file directories?

whereis

What command displays the location of a command?

whereis

What character can be used when launching a program from shell to tell it to run in the background?

&

How can you run a program in the background when launching it from a shell? (Select all that apply.) A. Launch the program normally, type Ctrl+Z in the shell, and then type bg in the shell. B. Append an ampersand (&) to the end of the command line. C. Launch the program by typing bg, where command is the command that you want to run. D. Launch the program by typing start, where command is the command that you want to run. E. Launch the program normally, type Ctrl+Z in the shell, and then type fg in the shell.

A B

What keystroke moves the cursor to the start of the line when typing a command in Bash?

CTRL+A

_______ pages describe commands, arguments or options a command can use, configuration files and other features of a Linux installation.

Man

Each document in an info page is known as a ______ ?

Node

What symbol allows extending a single command to multiple lines in the Linux terminal?

\

What command displays a short description of system commands for keywords and displays the result on the standard output?

apropos

What command is used to do an extensive search for keywords in titles, descriptions, and summaries of man pages?

apropos

What command can be used to tell a program to run in the background?

bg

What command can be used to see basic information about a computer's memory usage?

free

Which of the following commands is an improved version of more? cat html grep man less

less

Command that searches a DB of filenames that Linux maintains?

locate

What command searches a DB of filenames, enabling you to identify files quickly whose names match a term that you specify?

locate

Command that displays the names of files in a directory?

ls

Each man page falls into one of nine categories called ___________?

sections


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