| AUTO_CD |
If the typed command is invalid, but is a directory, cd to that directory |
| AUTO_PUSHD |
After cd, push the old directory to the directory stack |
| PUSHD_IGNORE_DUPS |
Don't push multiple copies of the same directory to the stack |
| PUSHD_SILENT |
Don't print the directory after pushd or popd |
| PUSHD_TO_HOME |
pushd without arguments acts like pushd ${HOME} |
| EXTENDED_GLOB |
Treat #, ~, and ^ as patterns for filename globbing |
| MULTIOS |
Performs implicit tees or cats when using redirections |
| NO_CLOBBER |
Disables overwrite existing files with >. Use `> |
