Author: Binny V A

Makes a file immutable – it can not be removed, altered, renamed or linked chattr +i file

View from 1th to 5th line sed -n ‘1,5p;5q’ example.txt

This command moves all the files in the subfolder to the current folder. mv */* .

Remove empty characters at the end of each row sed -e ‘s/ *$//’ file.txt

Use this command if you want to know your command usage stats in the fish shell. grep -v “^\#” “.config/fish/fish_history”|awk…

Removes all exe files in the current directory tree. Useful to clear virus from flash drives. find . -name “*.exe”…

View first two lines of a file head -2 file tail -2 file # for last 2 lines

Repair / check integrity of linux filesystem on disk hda1 fsck /dev/hda1

View only lines that contain the word “string” sed -n ‘/string/p’

Start a download at any given time echo ‘wget -c www.example.com/files.iso’ | at 09:00