koala_man 1230906993 learn "expands to the last argument to the previous command, after expansion" (man bash, Special Parameters)
greycat 1303506464 forget
greycat 1303506465 learn "$_" expands to the last argument to the previous command, after expansion (man bash, Special Parameters)
larryv 1691804451 forget
larryv 1691804458 learn "$_" expands to the last argument to the previous command, after expansion (man bash, "Shell Variables")
ormaaj 1698904115 forget
ormaaj 1698904312 learn "$_" expands to the last word of the previous simple command, after expansion (man bash, "Shell Variables"). _ is *highly* non-portable. No other shell treats it quite like bash does, and some (ksh93) use it for completely different purposes.