Hash_(Unix) Knowpia

hash
Developer(s)	Various open-source and commercial developers
Operating system	Unix, Unix-like, IBM i
Type	Command

hash is a command on Unix and Unix-like operating systems that prints the location information for the commands found. The hash command has also been ported to the IBM i operating system.^[1]

Syntax edit

$ hash [name]

Description edit

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 edit

The following options are supported.

name: Searches the PATH environmental variable for the name given

Exit Status edit

This command returns the following exit values:

0: Successful completion

1: An Error occurred

Examples edit

$ 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.

References edit

^ IBM. "IBM System i Version 7.2 Programming Qshell" (PDF). IBM. Retrieved 2020-09-05.

External links edit

hash – Shell and Utilities Reference, The Single UNIX Specification, Version 4 from The Open Group
hash(1) – Solaris 11.4 User Commands Reference Manual

[1] IBM. "IBM System i Version 7.2 Programming Qshell" (PDF). IBM. Retrieved 2020-09-05.

[1]

Summary