Co robi WATCH użycie. Konsola can watch it change over time. The command and any options are passed.

Czy przydatne?

Polecenie watch

Wykonanie, użycie: Run the specified command repeatedly (by default, every two seconds) and display the output so you can watch it change over time. The command and any options are passed to sh -c, so you may need to use quotes to get correct results

Opcje wykonania watch w konsoli

-d, --differences[=cumulative]

Highlight changes between iterations. If cumulative is specified, the highlighting remains on the screen throughout, giving a cumulative picture of the changes.

 -h, --help

Display help message and exit.

 -n secs, --interval=secs

Run the command every secs seconds.

 -t, --no-title

Do not display the header or the blank line following the header.

 -v, --version

Print version information and exit.

Przykłady watch działanie w Słownik polecenie W

Przykład WATCH użycie :
Jak użyć Print byte, word, and line counts for each file. Print a total line for multiple files . If no files are given, read standard input. See other examples under ls and sort co znaczy.
Przykład WATCH użycie :
Jak użyć source, and manual page files for specified commands/files. The supplied filenames are first stripped of leading pathname components and any (single) trailing extension of the form .ext (for example krzyżówka.
Przykład WATCH użycie :
Jak użyć to an interactive conversation with user . A write session is terminated with EOF. If the user is logged into more than one terminal, specify a tty number. See also talk ; use mesg to keep other co to jest.
Przykład WATCH użycie :
Jak użyć List the full pathnames of the files that would be executed if the named commands had been run. which searches the user's $PATH environment variable słownik.
Przykład WATCH użycie :
Jak użyć Print summaries of system usage, currently logged-in users, and what those users are doing. w is essentially a combination of uptime , who , and ps -a . Display output for one user by specifying user czym jest.