Hash (Unix)

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search

Template:Short description Template:Refimprove Template:Lowercase Script error: No such module "Infobox".Template:Template otherScript error: No such module "Check for unknown parameters".Template:Main other hash is a command on Unix and Unix-like operating systems that prints the location information for the commands found. The Template:Mono command has also been ported to the IBM i operating system.[1]

Syntax

$ hash [name]

Description

When the user gives a command, the shell searches for the command in the path specified in the PATH environmental variable and stores the location in the hash. This command can be used to search for the command given. The command is built into the shell. C shell implements this command in a different way.

Options

The following options are supported.

name
Searches the PATH environmental variable for the name given

Exit Status

This command returns the following exit values:

0
Successful completion
1
An Error occurred

Examples

$ hash

Print the hash table.

$ hash cat

Searches for command cat in the path specified by PATH environmental variable; if found, adds it to the hash.

See also

References

Template:Reflist

External links

Template:Sister project

Script error: No such module "Navbox".

  1. Script error: No such module "citation/CS1".