customizing Linux commands

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Method One, modify the/ETC/BASHRC file

Add at the bottom of the file

Alias zone= "Cd/usr/local/webserver"

　　

Entering zone at the command line will go directly to the development directory

Method Two, establish shell script implementation

1. Create a file logtail.sh

#!/bin/bashif [$#-gt 2]; Then   echo "Param Error" fidefault_path= "/wwwroot" path=${default_path}default_file_name= "Php_errors.log" FILE=$ {default_file_name}if ["x$1"! = "X"]; Then     path=$1fiif ["x$2"! = "X"]; then     file=$2fi/usr/bin/tail-f "${path}/${file}" Exit 0

　　

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2. Testing

SH logtail.sh

3. Modify the name

MV Logtail.sh Logtail

4. Move the Logtail to/usr/local/bin

MV Logtail/usr/local/bin/logtail

5. Assigning Permissions

Chmod-r 755 Logtail

6. Testing

Direct use of commands

Taillog

customizing Linux commands