os/linux/ MyShellStartupScripts

Cd stuff

alias cd..='cd ..'
alias cd...='cd ../..'
alias cd....='cd ../../..'
alias cd..3='cd ../../..'
alias cd..4='cd ../../../..'
alias cd..5='cd ../../../../..'
alias ..='cd ..'
alias ...='cd ../..'
alias ..3='cd ../../..'
alias ..4='cd ../../../..'
alias ..5='cd ../../../../..'
alias ls..='ls ..'
up() { local I="$1"; ((I=I)); while ((I>0)); do cd ..; ((I--)); done; } # go up n directories
ppd() { pwd | pc; } # pc = copy to clipboard
pcwd() { pwd | pc ; }
cdpp() { a="$(pp)"; [ -d "$a" ] && cd "$a"; }

# for organising stuff into date-named folders 
today() { date +"%Y_%m_%d" ; }
mkt() { mkdir -p "${1}_$(today)" ; }
cdt() { cd "${1}_$(today)" ; }

My prompt

color_prompt=yes
if [ "$color_prompt" = yes ]; then
    BASE_PS1='\n10282478ea7bdae0cfcefa8eb53f16f44d4f70939790720f349db701ee690cf14b227777d4dd1fc61c6f884f48641d02b4d121d3fd328cb08b5531fcacdabf8a\u@\h10282478ea7bdae0cfcefa8eb53f16f44d4f70939790720f349db701ee690cf1ef2d127de37b942baad06145e54b0c619a1f22327b2ebbcfbec78f5564afe39d:10282478ea7bdae0cfcefa8eb53f16f44d4f70939790720f349db701ee690cf1e7f6c011776e8db7cd330b54174fd76f7d0216b612387a5ffcfb81e6f0919683\w10282478ea7bdae0cfcefa8eb53f16f44d4f70939790720f349db701ee690cf17902699be42c8a8e46fbbb4501726517e86b22c56a189f7625a6da49081b2451\n10282478ea7bdae0cfcefa8eb53f16f44d4f70939790720f349db701ee690cf12c624232cdd221771294dfbb310aca000a0df6ac8b66b696d90ef06fdefb64a3\W10282478ea7bdae0cfcefa8eb53f16f44d4f70939790720f349db701ee690cf119581e27de7ced00ff1ce50b2047e7a567c76b1cbaebabe5ef03f7c3017bb5b7 \$ '
else
    BASE_PS1='\u@\h:\w\$ '
fi
PS1="${BASE_PS1}"

set_term_title_prompt() {
  PS1="10282478ea7bdae0cfcefa8eb53f16f44d4f70939790720f349db701ee690cf14a44dc15364204a80fe80e9039455cc1608281820fe2b24f1e5233ade6af1dd5""$BASE_PS1"
}
unset_term_title_prompt() {
  PS1="$BASE_PS1"
}
set_term_title_prompt