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ODOC: tail

tail – Output the last part of files.

Summary :

Print the last 10 lines of each FILE to stdout. With more than one FILE, precede each with a header giving the file name.

Examples :

$ tail foo.txt — Show only the last 10 Lines.

$ tail f1 f2 — Show the last 10 lines of 2 files with small header.

$ tail -vn 5 myfile — Show only last 5 Lines with header.

$ tail -c 12 myfile — Show only last 12 Bytes.

$ tail -q myfile — Don’t show headers.

$ tail –retry myfile — Keep retrying to open myfile.

$ tail -f maillog — Output appended data as the file grows. Useful to monitor logs.

$ tail -f -s 10 maillog — Once in every 10s update the output.

$ tail -f –pid=200 myfile — Terminate tail after PID (200) dies.

Read : man tail

Tech Tags: linux