. /etc/bash_completion
enable globally
sudo vi /etc/bash.basrc
sudo !! < — remember most recent command
Rerun a Command Starting with String
cd /mnt/data/restore
user@computer:~$ vi file1 file2 file3
3 files to edit
user@computer:~$ cat !*
cat file1 file2 file3
this if file on1e
this is file 2
this if file 3
user@computer:~$ mv !* /tmp/
mv file1 file2 file3 /tmp/
| in regular expression mean OR
grep -Ev ‘^#|^$’ file.txt
006 Reuse the last item from the previous command