Question
Which of the following is not the fixed
cost?Solution
Fixed cost is a cost that does not change with an increase or decrease in the number of goods or services produced or sold.
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?
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