Bash Shell Scripting- tr command

The video tutorial explains the TR command, which is used to translate or delete characters from input. It covers basic syntax, including how to provide input via files or pipelines. The tutorial demonstrates converting characters between upper and lower case, replacing specific characters, and using options for character sets. It also shows how to delete characters using the TR command, with examples like finding a Docker version.

What is the primary purpose of the TR command?

• To compile code

• To create directories

• To translate or delete characters from input

• To manage system processes

How can you provide a file as input to the TR command?

• Using a double colon

• Using a less than symbol

• Using a pipe symbol

• Using a greater than symbol

What is the effect of using the TR command without any options?

• It deletes all characters

• It translates characters from one set to another

• It compresses the file

• It encrypts the data

Which of the following is a good practice when specifying sets in the TR command?

• Using curly braces

• Using single or double quotations

• Using square brackets

• Using parentheses

How can you replace spaces with underscores using the TR command?

• By using the -u option

• By using the -r option

• By specifying space and underscore in the sets

• By using the -s option

What is the correct way to specify lowercase letters using the TR command?

• Using :space:

• Using :upper:

• Using :lower:

• Using :digit:

What functionality does the TR command provide besides translation?

• Deletion of specified characters

• Encryption

• Compression

• File copying