# Efficient Linux at the Command Line

**Published by:** [differui](https://paragraph.com/@binrui/)
**Published on:** 2023-03-15
**URL:** https://paragraph.com/@binrui/efficient-linux-at-the-command-line

## Content

Combining Commands# cut as fragments and retrive the second fragment cut -f2 something.txt # cut by delimiter , and retrive the first fragment cut -d, -f1 # print deplicate files md5 *.png | cut -d= -f2 | uniq -c | sort -nr | grep -v " 1" Introducing the Shell# disable $, print verbatim echo '$HOME' # $ is working echo "$HOME" Rerunning Commands# the final word command !$ # the final arguments command !* # patch on previous command ^original^replacement # edit in vim mode set -o vim Cruising the Filesystem

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