Friday, 22 June 2018

Scripting basics:

1.Shell Scripts are text file.It should be all commands are executed

Because the shell scripts is do for automatically process and daily repeated for command line:

1. performing system administration and trouble shooting .

2. creating the simple applications.

3.Manipulate the text or files.

4. Automating commonly used command lines.


The prompt can vary every time displayed and using the

Some common escape sequences:

1. \u  =  user name = (if you have multiple accounts).

2.\w  = Current working directory

3. \h  =  Host name( not fully qualified with domain name)

4.\$  =  if you are non- privileged user  . #   =    if you are privileged user. sometimes if you are

become an super user also

5.  \!  The history number of the current command also.

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