Introducing the Command Line

Navigating Files and Directories

Figure 1

The file system is made up of a root directory that contains sub-directories titled bin, data, users, and tmp

Figure 2

Like other directories, home directories are sub-directories underneath "/Users" like "/Users/imhotep", "/Users/larry" or"/Users/nelle"

Figure 3

A directory tree below the Users directory where "/Users" contains the directories "backup" and "thing"; "/Users/backup" contains "original","pnas_final" and "pnas_sub"; "/Users/thing" contains "backup"; and"/Users/thing/backup" contains "2012-12-01", "2013-01-08" and"2013-01-27"

Figure 4

A directory tree below the Users directory where "/Users" contains the directories "backup" and "thing"; "/Users/backup" contains "original","pnas_final" and "pnas_sub"; "/Users/thing" contains "backup"; and"/Users/thing/backup" contains "2012-12-01", "2013-01-08" and"2013-01-27"

Figure 5

General syntax of a shell command

Working With Files and Directories

Figure 1

screenshot of nano text editor in action with the text It's not publish or perish any more, it's share and thrive

Figure 2

The file system is made up of a root directory that contains sub-directories titled bin, data, users, and tmp

Figure 3

Like other directories, home directories are sub-directories underneath "/Users" like "/Users/imhotep", "/Users/larry" or"/Users/nelle"

Figure 4

A directory tree below the Users directory where "/Users" contains the directories "backup" and "thing"; "/Users/backup" contains "original","pnas_final" and "pnas_sub"; "/Users/thing" contains "backup"; and"/Users/thing/backup" contains "2012-12-01", "2013-01-08" and"2013-01-27"

Figure 5

A directory tree below the Users directory where "/Users" contains the directories "backup" and "thing"; "/Users/backup" contains "original","pnas_final" and "pnas_sub"; "/Users/thing" contains "backup"; and"/Users/thing/backup" contains "2012-12-01", "2013-01-08" and"2013-01-27"

Figure 6

General syntax of a shell command