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 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 co znaczy.
Przykład WATCH użycie :
Jak użyć interactive file downloads from the Web. wget works in the background and can be used to set up and run a download without the user having to remain logged on. wget supports HTTP, HTTPS, FTP, as well krzyżówka.
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 to jest.
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 słownik.
Przykład WATCH użycie :
Jak użyć manual page descriptions in the whatis database for each keyword and print a one-line description to standard output for each match. Like apropos , except that it searches only for complete words czym jest.