Shulou(Shulou.com)06/02 Report--

Tail

Displays part of the end of the text file, with the last 10 lines displayed by default.

The scope of this command: RedHat, RHEL, Ubuntu, CentOS, SUSE, openSUSE, Fedora.

1. Grammar

Tail [options] file

2. List of options

Option

Description

-- version

Display command version information

-- help

Show help documentation

-c |-- bytes=k

Show the last k bytes

-f

Continuous reading of text trailing data, usually used to monitor log files

-F

Equivalent to-- follow=name

-n |-- lines=k

Show the last k line

-- pid=PID

Used with-f to stop tail when the specified process number program ends

-Q |-- quite |-- silent

Do not display file name

-- retry

Continue to try to open the file, even if the file is inaccessible or becomes inaccessible.

-v |-- verbose

Show file name

3. Examples

1) Show the last line

[root@localhost weijie] # cat 1.c / / View the file

Hello world

I am david.

I love linux

Love code.

[root@localhost weijie] # tail-n 1 1.c / / Show the last line

Love code.

2) display the last few characters

[root@localhost weijie] # tail-c 10 1.c / / display the last 10 characters

Ove code.

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