자신만의 Command 만들기 - alias

# vi ~/.bashrc

alias ll='ls -alF' 추가

# ll

drwxr-xr-x 45 ysw  ysw     4096 Apr 26 17:01 ./
drwxr-xr-x  8 root root     4096 Oct 30 20:39 ../
-rw-------  1 ysw  ysw     25500 Apr 21 20:37 .bash_history
-rw-r--r--  1 ysw  ysw       220 Sep 22  2015 .bash_logout
-rw-r--r--  1 ysw  ysw      3901 Feb 12 17:47 .bashrc