Shell Scripting Interview Questions and Answers

To create multiple files, type all filenames consecutively in one touch command and press Enter. For example, to create "myfile1" and "myfile2" simultaneously, the command would touch myfile1 myfile2.

The Linux/Unix mkdir command allows the user to create or create a new directory. mkdir stands for "make directory." You can also use mkdir to set permissions and simultaneously create multiple directories (folders).

'=' is an assignment operator that assigns values on the right to the variable on the left.

The '==' operator checks if the two specified operands are equal.

You can pass arguments, and this is a common practice. It was sent to prevent system errors when executing commands and to ensure smooth script execution. Within the script, the variable $1 refers to the command line's first argument, and $2 to his second argument.

For Example

"The file name: $0."

"The first argument is $1." "The second argument is $2." "The third argument is $3."

Debugging options available in the bash shell can be turned on and off in various ways. For example, inside the script, you can use the set command or add options to the shebang line. However, an alternative is explicitly specifying debug options on the command line while running the script.