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How do you search with tail?
Instead of tail -f , use less +F which has the same behaviour. Then you can press Ctrl+C to stop tailing and use ? to search backwards. To continue tailing the file from within less , press F . If you are asking if the file can be read by another process, yes, it can.
What is tail a file?
The tail command shows you data from the end of a file. Usually, new data is added to the end of a file, so the tail command is a quick and easy way to see the most recent additions to a file. It can also monitor a file and display each new text entry to that file as they occur.
How does the tail function in Linux work?
By default, tail prints the last 10 lines of each file to standard output. If you specify more than one file, each set of output is prefixed with a header showing the file name. If no file is specified, or if file is a dash (“-“), tail reads from standard input. Syntax
How to transfer data from head command to tail command?
Head command gives all the data from start (line number 1) to the line number 20 and pipe transfer all the output coming from head command to tail command. Now, tail command gives last 5 lines of the data and the output goes to the file name list.txt via directive operator.
Which is an example of the tail command?
In the following example output of the tail command is given as input to the sort command with -r option to sort the last 7 state names coming from file state.txt in the reverse order. It can also be piped with one or more filters for additional processing.
How does tail display lines from the start of a file?
Displaying Lines from the Start of a FIle The + (count from the start) modifier makes tail display lines from the start of a file, beginning at a specific line number. If your file is very long and you pick a line close to the start of the file, you’re going to get a lot of output sent to the terminal window.