Co robi WHICH użycie. Konsola which searches the user's $PATH environment variable.

Czy przydatne?

Polecenie which

Wykonanie, użycie: 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

Opcje wykonania which w konsoli

-a, --all

Print all matches, not just the first.

 -i, --read-alias

Read aliases from standard input and write matches to standard output. Useful for using an alias for which.

 --read-functions

Read shell functions from standard input and report matches to standard output. Useful for also using a shell function for which itself.

 --skip-alias

Ignore --read-alias if present. Useful for finding normal binaries while using --read-alias in an alias for which.

 --skip-dot

Skip directories that start with a dot.

 --skip-functions

Ignore --read-functions if present. Useful when searching for normal binaries while using --read-functions in an alias or function for which.

 --skip-tilde

Skip directories that start with a tilde (~) and executables in $HOME.

 --show-dot

If a matching command is found in a directory that starts with a dot, print ./cmdname instead of the full pathname.

 --show-tilde

Print a tilde (~) to indicate the user's home directory. Ignored if the user is root.

 --tty-only

Stop processing options on the right if not on a terminal.

 -v, -V, --version

Print version information and then exit.

 --help

Print help information and then exit.

Przykłady which działanie w Słownik polecenie W

Przykład WHICH 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 znaczy.
Przykład WHICH 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 krzyżówka.
Przykład WHICH 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 WHICH użycie :
Jak użyć into the system. With no options, list the names of users currently logged in, their terminal, the time they have been logged in, and the name of the host from which they have logged in. An optional słownik.
Przykład WHICH 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.