komenda head użycie head co to jest
Jak użyć HEAD? Definicja w konsoli files . If files is missing or -, read from standard input. With.
Znaczenie komenda head użycie head definicja.

Czy przydatne?

Komenda/polecenie: Jak użyć head

Uruchomienie, wykonanie: head [options] [files]

Jak działa HEAD, co robi HEAD: Print the first few lines (default is 10) of one or more files. If files is missing or -, read from standard input. With more than one file, print a header for each file

Dostępne opcje, wywołanie HEAD: -c num[b|k|m] , --bytes num [b|k|m]

Print first num bytes or, if num is followed by b, k, or m, first num 512-byte blocks, 1-kilobyte blocks, or 1-megabyte blocks.

--help

Display help and then exit.

-n num, --lines num, -num

Print first num lines. Default is 10.

-q, --quiet, --silent

Quiet mode; never print headers giving filenames.

-v, --verbose

Print filename headers, even for only one file.

--version

Output version information and then exit.

Co znaczy :
Definicja System administration command: turns off the computer. Insert a note in the file /var/log/wtmp ; if the system is in runlevel 0 or 6, stop all processes; otherwise, call shutdown -h co to jest.
Co znaczy :
Definicja System administration command. Read or set the hard drive parameters. This command can be used to tune hard drive performance; it is mostly used with IDE drives, but can also be used with SCSI drives definicja.
Co znaczy :
Definicja Display specified file or input in hexadecimal, octal, decimal, or ASCII format. Option flags are used to specify the display format co znaczy.
Co znaczy :
Definicja administration command. Read or set the hardware clock. This command maintains change information in /etc/adjtime , which can be used to adjust the clock based on how much it drifts over time słownik.
Co znaczy :
Definicja user authentication files used by the Apache web server. The -c option is used if you wish to create the file, and will overwrite any existing files rather than update them. The three arguments are znaczenie.

Użycie HEAD zastosowanie komendy na linii poleceńw Słownik H .

  • Dodano:
  • Autor: