What is head and tail in Linux? As their names imply, the head command will output the first part of the file, while the tail command will print the last part of the file. Both commands write the result to standard output.
What is head file Linux? head command is a command-line utility, which prints the first 10 lines of the specified files. If more than one file name is provided then data from each file is preceded by its file name. We can change the number of lines the head command prints by using the -n command line option.
What is head command in Shell? The head command writes to standard output a specified number of lines or bytes of each of the specified files, or of the standard input. If no flag is specified with the head command, the first 10 lines are displayed by default. The File parameter specifies the names of the input files.
How does head command work? The head command reads the first few lines of any text given to it as an input and writes them to standard output (which, by default, is the display screen). The square brackets indicate that the enclosed items are optional. By default, head returns the first ten lines of each file name that is provided to it.