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- How does the tail commands -f parameter work?
From the tail(1) man page: With --follow (-f), tail defaults to following the file descriptor, which means that even if a tail’ed file is renamed, tail will continue to track its end This default behavior is not desirable when you really want to track the actual name of the file, not the file descrip- tor (e g , log rotation) Use --follow=name in that case That causes tail to track the
- What does tail -f do? - Unix Linux Stack Exchange
It means tail -f command will wait for new strings in the file and show these strings dynamically This command useful for observing log files For example try, tail -f var log messages
- How to quit `tail -f` mode without using `Ctrl+c`?
When I do tail -f filename, how to quit the mode without use Ctrl+c to kill the process? What I want is a normal way to quit, like q in top I am just curious about the question, because I feel
- tail - cat line X to line Y on a huge file - Unix Linux Stack Exchange
Say I have a huge text file (>2GB) and I just want to cat the lines X to Y (e g 57890000 to 57890010) From what I understand I can do this by piping head into tail or viceversa, i e head -A
- Show tail of files in a directory? - Unix Linux Stack Exchange
A simple pipe to tail -n 200 should suffice Example Sample data $ touch $(seq 300) Now the last 200: $ ls -l | tail -n 200 You might not like the way the results are presented in that list of 200 For that you can control the order of the results that ls outputs through a variety of switches For example, the data I've generated is numeric
- tail program output to file in Linux - Unix Linux Stack Exchange
tail program output to file in Linux Ask Question Asked 13 years, 3 months ago Modified 7 years, 6 months ago
- command - tail -f -n 1 returns all content of the file - Unix Linux . . .
I want to watch the file with tail for grabbing the last content of the file tail -f text txt this command returns all of the content So I changed it to : tail -f -n 1 text txt but the same result again I examine the line of file with: wc -l text txt when content is appended to file, the line number counts changes So first of all what's wrong?
- The less command-line equivalent of tail -f - Unix Linux Stack . . .
I would like to open up a file using less, and have it automatically scroll the file similar to tail -f I know that I can do less file, and then hit Shift-F to forward forever; like tail -f I n
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