What is tail command used for?
The tail command is used to print last 10 lines of a file by default. However, like the head command, we can change the number number of lines to be displayed by using the -n option, or just – , to display a different number of lines as specified.
Why we use tail command in Linux?
Linux tail command is used to display the last ten lines of one or more files. Its main purpose is to read the error message. By default, it displays the last ten lines of a file. Additionally, it is used to monitor the file changes in real-time.
What does tail mean in Unix?
The tail command is a command-line utility for outputting the last part of files given to it via standard input. It writes results to standard output. By default tail returns the last ten lines of each file that it is given. It may also be used to follow a file in real-time and watch as new lines are written to it.
What does the 3 option in the tail command do?
Example – 3: Tail Command with -n and Negative Value txt file by omitting 3 lines from the beginning. Output: The following output will appear after executing the above command.
What will tail 10 command do?
The tail command, as the name implies, print the last N number of data of the given input. By default it prints the last 10 lines of the specified files. If more than one file name is provided then data from each file is precedes by its file name.
What is head and tail command in Linux?
They are, by default, installed in all Linux distributions. 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.
Why would you use the head or tail command?
What is head and tail command in Unix?
The head command command prints lines from the beginning of a file (the head), and the tail command prints lines from the end of files.
How does tail work in bash?
By default, the ‘tail’ command reads the last 10 lines of the file. If you want to read more or less than 10 lines from the ending of the file then you have to use the ‘-n’ option with the ‘tail’ command.