Unix news is nothing but opensourse - this site features general information about Linux/Unix/Perl programming language.
Thursday, September 27, 2007
Ten more command-line concoctions.
A great number of shell features affect how the command name you type is interpreted. Each shell has an assortment of built-in commands; the PATH environment variable specifies the list and order of directories to search; and each alias acts as shorthand. With so many ways to run a program, how do you know what you're actually executing? Use the built-in type command of the shell to reveal the truth. read more.