Which of the following plays a significant role in our

Which construct allows embedding a block of text in shell scripts as input?

If a program needs to read data from a file, which system call would it typically use?

In a POSIX shell script, which construct correctly tests whether variable x is an empty string?

In shell scripting, how do you assign the string "Hello World" to a variable named `MESSAGE`?

How do you check the exit status of the last executed command in a shell?

To check if a file /tmp/data.txt is both readable and writable by the current user in a shell conditional, which test is correct?

In shell scripting, how do you assign the string "Hello World" to a variable named `MESSAGE`?

Star schema consists of:

Which command is used to display the last few lines of a file?

Which signal is sent by default when using kill without arguments?