# place holder for future alias testing shopt -s expand_aliases # alias/unalias tests originally in builtins.tests unalias -a # this should return success, according to POSIX.2 alias echo alias: $? alias foo=bar unalias foo # this had better return success, according to POSIX.2 alias echo alias: $? # bug in all versions through bash-2.05b unalias qfoo qbar qbaz quux 2>/dev/null alias qfoo=qbar alias qbar=qbaz alias qbaz=quux alias quux=qfoo qfoo unalias qfoo qbar qbaz quux unalias -a alias foo='echo ' alias bar=baz alias baz=quux foo bar unalias foo bar baz