"Linux" tail command

Use

The tail command is primarily used to remove a few lines behind

Full Name

The full name of the tail command is tail (tail)

Parameters

-N: followed by a number, which indicates the meaning of a few lines

-F: Loop read

-Q: Do not display processing information

-V: Displays detailed processing information

Case

Case one: show the last 5 lines of the file

[email protected] ~]# tail-5/etc/man_db.conf
#
#---------------------------------------------------------
# Flags.
# NOCACHE keeps mans from creating cat pages.
#NOCACHE

Case two: Cycle through the contents of a file

[[email protected]/]# ping localhost >test.txt &

[4] 9944
[email protected]/]# tail-f test.txt
bytes from localhost (127.0.0.1): icmp_seq=1791 ttl=64 time=0.112 ms
bytes from localhost (127.0.0.1): icmp_seq=1792 ttl=64 time=0.161 ms
bytes from localhost (127.0.0.1): icmp_seq=1793 ttl=64 time=0.166 ms
bytes from localhost (127.0.0.1): icmp_seq=1794 ttl=64 time=0.133 ms

....

To end Press CTRL + C

Case three: Displaying files starting from line 5th

[email protected]/]# tail-n +5/etc/man_db.conf
# their PATH environment variable. For details see the Manpath (5) Mans page.
#
# Lines beginning with ' # ' is comments and is ignored. Any combination of
# tabs or spaces may be used as ' whitespace ' separators.
#
# There is three mappings allowed in this file:
# --------------------------------------------------------
# Mandatory_manpath Manpath_element
# Manpath_map Path_element manpath_element
# Mandb_map Global_manpath [Relative_catpath]
#---------------------------------------------------------

......

"Linux" tail command