Odd; out of order; perverse.
"He was such an awkward guest who kept interrupting every conversation and sitting in the wrong chair."
Perversely; in the wrong way.
"It felt awfully awkward to laugh when everyone else was crying."
A Unix scripting language or the command line interface itself.
"The developer decided to rewrite the legacy shell script in awk because the original logic was too complex for standard bash commands."