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 …

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.

May 3, 2021 · it might be simple but after looking around I could not find a way to resolve my issue, I am recovering the last line from file1 using tail -1 file1 and want to add it to an existing …

Tail will then listen for changes to that file. If you remove the file, and create a new one with the same name the filename will be the same but it's a different inode (and probably stored on a …

Aug 22, 2017 · 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 …

I tried $ tail -n 1 -f nohup.out but it seems to affect only the initial tailin'. Generally speaking, if it is possible to limit (in this case to 1) the number of lines a command's output has …

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 …

Is it possible to do a tail -f (or similar) on a file, and grep it at the same time? I wouldn't mind other commands just looking for that kind of behavior.

The point is that tail -f file1 file2 doesn't work on AIX where tail accepts only one filename. You can do (tail -f file1 & tail -f file2) | process to redirect the stdout of both tail s to the pipe to …

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. …