Linux commands-Tail: Print the end of a file

Command format

tail [OPTION] ... [FILE] ...

Command parameters

-C,--bytes=[-]k
Displays the post-K-byte contents of each file.

-F,--follow[={name|descriptor}]
Continuously monitors the specified file, and when the file appends content, the new content is immediately displayed on the screen.

-N,--lines=[-]k
Displays the following K-line content for each file.

--pid=pid
Use with the-f option to terminate tail when the PID process is finished.

-Q,--quiet,--silent
Never displays the header of the file containing the given file name.

-S,--sleep-interval=n
Used in conjunction with the-F option to hibernate N seconds at each repeated interval.

-V,--verbose
Always displays the header of the file containing the given file name.

--help
Displays help information.

--version
Displays version information.

Instance

A) Displays the contents of the/etc/passwd after 5 lines.

tail-n 5/etc/passwdhuey:x:504:504::/home/huey:/bin/bashsugar:x:505:492::/home/sugar:/bin/bashming:x : 506:504::/home/ming:/bin/bashzlee:x:507:504::/home/zlee:/bin/bashgll:x:508:504::/home/gll:/bin/bash

b) Continuously observe the output of the log file App.log.

Tail-f App.log

Linux commands-Tail: Print the end of a file