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ls [-la]
‘list’ … lists the contents of the directory you’re in. The [-l] flag adds detailed info about the files/folders in the directory. The [-a] flag shows hidden files.
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cd [name of folder to open]
‘change directory’ … the main way you navigate the filesystem.
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mkdir [name]
‘make directory’
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rm [-r] [name]
‘remove’ … deletes a file. to delete a directory you need the [-r] flag. It recursively deletes the directory and all sub-directories.
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mv [source] [destination]
‘move’ AND rename. It can move a file/directory and at the same time rename it.
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ln [-s] [source] [name of link]
‘link’. Creates a shortcut to a file or folder in the directory you’re in. Can prevent a lot of extra typing. Always use the -s flag. It keeps the links symbolic. I don’t know what that means … but it’s the only way you can create a shortcut to a folder.
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du -sh [directoryname]
Calculates the size of a directory. -s = summary, -h = human readable.
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df -h
Calcualtes disk usage. -h = human readable.