watch [-dhvt] [-n seconds] [--differences[=cumulative]] [--help] [--interval=seconds] [--no-title]
command repeatedly, displaying its output (the first screenfull). allowing watching the
output change over time.
The command is given to
sh -c may need to use extra quoting
POSIX option processing is used (i.e., option processing stops at the first non-option argument).
ie: flags after
command don't get interpreted by watch
watch -d=c /bin/dfWatch significant changes is disk usage on various volumes by displaying sizes in megabytes!
watch -d=c /bin/df
Watchdoes not notice if the terminal window is resized and will produce poor "title" display if windows is resized.