300+ Bash-scripting-and-commands Questions

Bash-scripting-and-commands Questions Set 21:

Quiz Mode

expr can perform ____ arithmetic operations.

Solution:

Which option is used to terminate a case statement?

;

;;

Solution:

According to POSIX, regular expressions belong to how many categories?

Solution:

The command used to create a link to a file with multiple filenames is:

link

Solution:

Which key combination is used to clear the screen in the vi editor?

Ctrl+H

Ctrl+V

Ctrl+L

Ctrl+P

Solution:

What is the purpose of the -a option when used with the ls command?

To show hidden files

To show executable files

To show directories

To show output in multiple columns

Solution:

Which functionality is carried out by the root user?

Managing disk space

Performing backups

Changing attributes of a file

Managing disk space, performing backups, changing attributes of a file

Solution:

What does the `echo $PATH` command do?

It prints the value of the $PATH variable

It prints the PATH variable

It prints all the directories in the $PATH variable

It is used to create a new directory

Solution:

Which option correctly describes positional parameters?

Positional parameters are special variables for assigning arguments from the command line

Positional parameters are pattern matching parameters

Positional parameters are special variables for reading user input

Positional parameters are special variables and patterns

Bash-scripting-and-commands Questions Set 21:

expr can perform ____ arithmetic operations.

Solution:

Which option is used to terminate a case statement?

Solution:

According to POSIX, regular expressions belong to how many categories?

Solution:

The command used to create a link to a file with multiple filenames is:

Solution:

Which key combination is used to clear the screen in the vi editor?

Solution:

What is the purpose of the -a option when used with the ls command?

Solution:

Which functionality is carried out by the root user?

Solution:

What does the `echo $PATH` command do?

Solution:

Which option correctly describes positional parameters?

Solution:

Related Question Sets:

Related Topics:

Bash-scripting-and-commands Questions Set 21:

expr can perform ____ arithmetic operations.

Solution:

Which option is used to terminate a case statement?

Solution:

According to POSIX, regular expressions belong to how many categories?

Solution:

The command used to create a link to a file with multiple filenames is:

Solution:

Which key combination is used to clear the screen in the vi editor?

Solution:

What is the purpose of the -a option when used with the ls command?

Solution:

Which functionality is carried out by the root user?

Solution:

What does the echo $PATH command do?

Solution:

Which option correctly describes positional parameters?

Solution:

Related Question Sets:

Related Topics:

What does the `echo $PATH` command do?