
How does the "tail" command's "-f" parameter work?
77 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 …
What does "tail -f " do? - Unix & Linux Stack Exchange
7 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.
What is the difference between "tail -f" and "tail -F"?
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 …
tail -f all files in a "living directory" - Unix & Linux Stack Exchange
Feb 20, 2018 · 1 When you execute the tail -f * command it expands * to the files present in the directory in that moment, so when a new file is added to it you won't be able to see it unless …
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. …
How to have tail -f show colored output - Unix & Linux Stack …
Jan 30, 2014 · I'd like to be able to tail the output of a server log file that has messages like: INFO SEVERE etc, and if it's SEVERE, show the line in red; if it's INFO, in green. What kind of alias …
tail -1 file1 >> file2 without \\n - Unix & Linux Stack Exchange
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 …
How to know when a following tail moves from old file to the new …
Apr 8, 2024 · Tail has the file description open, and uses it to complete tailing process and then moves to the new one. Now I keep a history of which file and which line I have last logged.
How to tail multiple files using tail -0f in Linux/AIX
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 …
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 …