How to display $PATH as one directory per line and change the $PATH variables

path.md

• You can modify path display with any one of the following commands, which substitutes all occurrences of : with new lines \n.

• sed:

$ sed 's/:/\n/g' <<< "$PATH"

• tr:

$ tr ':' '\n' <<< "$PATH"

• python:

$ python -c 'import sys;print(sys.argv[1].replace(":","\n"))' "$PATH"

• Copy the contents of the $PATH
• Delete tha $PATH variable:

export PATH=""

• Set the new $PATH

export PATH="/path/you/want/to/keep"