Pro Bash Programming : Scripting the GNULinux Shell, Second Edition by Jayant Varma & Chris F. A. Johnson

Author:Jayant Varma & Chris F. A. Johnson [Jayant Varma]
Language: eng
Format: epub
Tags: Information Technology/Operations
Publisher: Apress
Published: 2015-06-16T21:00:00+00:00

command, Execute a Command or Display Information About Commands

With -v or -V, display information about a command. Without options, call the command from an external file rather than a function.

pwd, Print the Current Working Directory

pwd prints the absolute pathname of the current directory. With the -P option, it prints the physical location with no symbolic links:

$ ls -ld $HOME/Book ## Directory is a symbolic link

lrwxrwxrwx 1 jayant jayant 10 Apr 25 2015 /home/jayant/Book -> work/Cook

$ cd $HOME/Book

$ pwd ## Include symbolic links

/home/jayant/Book

$ pwd -P ## Print physical location with no links

/home/jayant/work/Book

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