CentOS Shell Basics 2015-4-8 12th Session

CentOS Shell Basics 2015-4-8 12th Session

The first half of the class

The second half of the class

History: Command history, save 1000 commands by default

!! : Previous command

!$: Last parameter of previous command

!n: Executes the nth command in the command history

! Character: command of the most recent character

Tab key to complete file path or command
Alias a= "B" Unalias A
Wildcard * Matches 0 or more characters? Match one character
input and output redirection;, >>, <, 2>, 2>>
Pipe symbol |
Job Control CTRL + Z, jobs, FG, BG

F

CentOS Shell Basics 2015-4-8 12th Session