Files & Folders

Create file

touch [fileName]
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echo $null >> [fileName]
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Delete file

rm [fileName]
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Display file content

cat > [filename]
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echo $null >> [filename]
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Edit text file

vi [fileName]
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nano [fileName]
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emacs [fileName]
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pico [fileName]
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ed [fileName]
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Copy file or folder

cp [fileName] [newFileName]
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cat [fileName] > [newFileName]
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dd if=[fileName] of=[newFileName]
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Move/Rename file or folder

mv [fileName] [newFileName]
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Create folder

mkdir [folderName]
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Delete folder

rm -r [folderName]
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List folder contents

ls
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dir
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Change folder

cd [path]
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Change to users home directory

cd ~
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Change to parent directory

cd ..
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Change to previous directory

cd -
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Show current folder

pwd
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Create a physical link to file or folder

ln [fileName] [linkName]
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Find phrase within file

grep [phrase] [fileName]
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Get filesystem of partition

file -sL [partition]
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Mount filesystem

mount /dev/[device] [path]
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Unmount filesystem

umount [path]
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Make file executable

chmod +x [file]
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Show size of all sub directories

du -h –max-depth=1
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Display and update information of files(like top)

watch -d -n 2 ‘ df;  ls -FlAt;’
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List trash files

ls -l files ~/.local/share/Trash/files
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$ trash-list
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Empty trash

rm -r ~/.local/share/Trash
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$ gio trash --empty
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gvfs-trash --empty
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$ trash-empty
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Move file to trash

$ gio trash [file]
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View file permission

ls -l [file]
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Set file permission

chmod [permission] [file]
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View owner and group of file

ls -l [file]
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Change owner of file

chown [user] [file]
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Change group owner ship of file

chgrp [group] [file]
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