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Quick links About
tail
Syntax
Examples
Related commands
Linux / Unix main page
About tail
Delivers the last part of the file.
Syntax
tail [+ number] [-l] [-b] [-c] [-r] [-f] [-c number |
-n number] [file]
| +number |
|
| -l |
Units of lines. |
| -b |
Units of blocks. |
| -c |
Units of bytes. |
| -r |
Reverse. Copies lines from the specified starting point in the file in reverse order. The default
for r is to print the entire file in reverse order. |
| -f |
Follow. If the input-file is not a pipe, the
program will not terminate after the line of the input-file has been copied, but will enter an
endless loop, wherein it sleeps for a second and then attempts to read and copy further records from the
input-file. Thus it may be used to monitor the growth of a file that is being written by some other process. |
| -c number |
The number option-argument must be a decimal integer whose sign affects the location in the file, measured in bytes, to begin the copying:
| + |
Copying starts relative to the beginning of the file. |
| - |
Copying starts relative to the end of
the file. |
| none |
Copying starts relative to the end of
the file. |
|
|
The origin for counting is 1; that is, -c+1
represents the first byte of the file, -c-1 the last. |
| -n number |
Equivalent to -c number, except the starting
location in the file is measured in lines instead of bytes. The origin for counting is 1; that is, -n+1
represents the first line of the file, -n-1 the last. |
| file |
Name of the file you wish to display |
Examples
tail myfile.txt
The above example would list the last 10
(default) lines of the file myfile.txt.
tail myfile.txt -n 100
The above example would list the last 100 lines in
the file myfile.txt.
Related commands
cat
head
more
pg
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