PS1=''
local _SHORT_PROMPT='[\A`cgmem_which_prompt`] \u@${HOSTNAME::5}:`short_curdir`'
# display the user, host and current working directory
PS1=''
local _SHORT_PROMPT='[\A`cgmem_which_prompt`] \u@${HOSTNAME::5}:`short_curdir`'
# display the user, host and current working directory