Linux common commands (type pwd Whami basename dirname alias)

Linux common commands (type pwd whoami basenaem dirname alias)

Help class Commands:

View command type: (internal command, external command)

# type command

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Command Help

Internal command:

# Help Command View commands

External command:

# Man Command View command Help

# info comand View command Help

# command--help view commands Help

View currently in that directory: (PWD)

# pwd

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To view the currently logged in User name: (whoami)

# WhoAmI

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Take the base name of the current path: (Note: path is route)

# basename Path

Eg:basename/etc/pm/sleep.d

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Fetch current PATH directory name: (dirname)

# dirname Path

Eg:dirname/etc/pm/sleep.d

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Command aliases Alias

To view the command aliases that are already defined by the current system:

# Alias

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To create a command alias:

# alias alias = ' Normal Command '

Eg:alias Cls=clear

To revoke a command alias:

# Unalias Aliases

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This article is from the "Cai Linux" blog, please be sure to keep this source http://mlybfq.blog.51cto.com/4904679/1617484

Linux common commands (type pwd Whami basename dirname alias)