What is the purpose of the PATH environment variable?
Which of the following commands sets the variable USERNAME to the value bob?
FILL BLANK -What command displays manual pages? (Specify ONLY the command without any path or parameters.)
Which command copies the contents of the directory /etc/, including all sub-directories, to /root/?
Which of the following commands puts the lines of the file data.csv into alphabetical order?
Which of the following examples shows the general structure of a for loop in a shell script?