To set "/home/k" as PATH,
export PATH=$PATH:/home/k
To display current PATH,
echo $PATH
To set permanent PATH,
(1) vim $HOME/.profile or vi .bash_profile (in root directory (account home))
(2) add "export PATH=$PATH:/home/k" in the text file
(3) save
details of "export PATH=$PATH:/home/k"
$PATH - current PATH
: - divider between PATH
It is possible to set variable as PATH. For example,
LAMMPSHOME=/usr/global/lammps
PATH=$PATH:$LAMMPSHOME/bin
PATH=$PATH:$LAMMPSHOME/bin
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