Linux sed commands

the samples text file

[root@localhost /]# cat /home/sed.txt
use python with nginx to build webapp
python php c java are programming languages
linux is friendly to developer
grep sed and awk is useful to processing text
learn python and php is fun. use python and php to build app is great

Replace word

sed ‘s/python/go/’ /home/sed.txt
use go with nginx to build webapp
go php c java are programming languages
linux is friendly to developer
grep sed and awk is useful to processing text
learn go and php is fun. use python and php to build app is great