Correct/Repeat the last command under Bash
If you often type the wrong command (or repeat the simmilar commends) under bash shell (like me), you may need to read this post:
cp file1.txt /path/to/dst cp file1.a1 /path/to/dst cp file1.a2 /path/to/dst
Substitute the first occurrence
How do I replace .txt with a1 and a2 and repeat the last command? The syntax is as follows for quick substitution and repeat the last command, replacing WORD1 with WORD2: