# change current directory to its parent
alias ..="\
cd \
.. \
"

# change current directory to its parent’s parent
alias ...="\
cd \
../.. \
"

# shorten alias
alias a="\
alias \
"

# swap directory (current ↔ previous)
alias sd="\
cd \
- \
"

# import source file
alias src="\
. \
"

# exit terminal
alias x="\
exit \
"