ctrl w erases the last word you typed
ctrl c kills a running process you just started from the command line (usually)
history displays the last of commands typed
EX:
history 15 displays the last 15 commands ,with a number
take that number and type ! to rerun the command
sample:
user:$ history 5 500 su 501 bnxd hjxrfyj 502 history 15 503 df 504 history 5 localhost:/~ user:$ !503 df Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda3 19919988 19293256 626732 97% / /dev/hda1 133191012 97840548 28584692 78% /home /dev/sda1 219718816 179836836 28720824 87% /home/user/mnt/sdb tmpfs 1035476 0 1035476 0% /dev/shm /dev/sdb1 1981024 1981024 0 100% /media/disk-1 localhost:/~ user:$













