watch [-dhvt] [-n seconds] [--differences[=cumulative]] [--help] [--interval=seconds] [--no-title]
[--version] command
runs command
repeatedly, displaying its output (the first screenfull). allowing watching the
output change over time.
-n |
intr
usually ^c
and
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
Watch
does not notice if the terminal window is resized and will produce poor "title" display if windows is resized.