# watch changes in ifconfig live
#watch for mail, you might do
watch -n 60 from
#To watch the contents of a directory change, you could use
watch -d ls -l
#If you're only interested in files owned by user joe, you might use
watch -d 'ls -l | fgrep joe'
#To see the effects of quoting, try these out
watch echo $$
watch echo '$$'
watch echo "'"'$$'"'"
#To see the effect of precision time keeping, try adding -p to
watch -n 10 sleep 1
#You can watch for your administrator to install the latest kernel with
#watch uname -r