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Jack H

2.4.1 Shells

When one logs into a Linux system, you are actually running a program (shell) this is in some

ways similar to DOS. In the standard shell you are given a prompt, where you type your com-

mand. If it is not a built-in command, it searches on the disk according to a user-specified search

path, for an executable program of that name. Almost all commands are programs that are run in