Unix | Big Data, Data Analytics and Data Science

Unix useful commands

July 28, 2017 Umesh M Patil Leave a comment

ls -lrt
Tail -10
Find the biggest file under current mountpointfind . -name “*” -exec ls -l {} \;|awk ‘{print $5}’|sort
create directories recursively
mkdir -p /dir1/dir2/dir3
Copy as well as make a compressed copy.
cp -c /file1 /dir/file2.Z
Kill LOCAL sessions before shutdown
kill -9 `ps -ef|grep LOCAL|awk ‘{print $2}’
removing files date wise
rm ls -l |grep ‘Jul 18’|awk ‘{print $NF}’