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.

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 …

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 …

Also, I would at least consider using tail -f instead of cat so that the output can be followed in near-realtime. You may want to look at the OPs comment to this answer which is basically the …

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 …

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. …

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 …

Jun 16, 2021 · If I type sudo journalctl I get the system journal in some kind of a reader. Pressing j and k works like in Vi but G does not go to the end of the file. In fact, if press G, the stream …

tail program output to file in Linux Ask Question Asked 13 years, 3 months ago Modified 7 years, 6 months ago

But now I need to use tail -f, and it also line wraps the output. Is it possible to disable line wrap in a bash shell for all the commands? Note: there is an answer to a different question that …