Linux or Unix simple filters are basic commands to learn by any Linux SRE. These simple filters include awk, sort, grep, tr, sed and regular expressions.
These simple filters are from the MCSl-45 subject so I am sharing them in one presentation. These are mostly used building blocks for shell script logics while manipulation of text or command redirections methods.
Simple filters fro Linux SRE consists of command name with possible parameters along with examples.
MCSL-045 which is free to download from egyankosh is a basic book for all Linux SRES. You can download it fro from egyankosh