paste
sed -i "s/find/replace/g"
awk
join
csplit
tr
set, env
read
dd
nohup, disown
df
comm
jobs, fg, CTRL+Z
top, dsta, iostat, free
repren, rename (batch rename files)
rsync
!! (repeat last command)
&& (combine commands, following command only runs when previous one succeeded)
