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Linux introduction: Difference between revisions
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And, to obtain detailed information on all files (permissions, owner, group, size and last modification date): | And, to obtain detailed information on all files (permissions, owner, group, size and last modification date): | ||
{{Command|ls -l}} | {{Command|ls -l}} | ||
The option < | The option <code>-h</code> gives the file sizes in human readable format. | ||
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To recursively copy a directory: | To recursively copy a directory: | ||
{{Command|cp -R source_directory destination_directory}} | {{Command|cp -R source_directory destination_directory}} | ||
To rename a file or a folder (directory), use the < | To rename a file or a folder (directory), use the <code>mv</code> command (move): | ||
{{Command|mv source_file destination_file}} | {{Command|mv source_file destination_file}} | ||
This command also applies to directories. You should then replace < | This command also applies to directories. You should then replace <code>source_file</code> with <code>source_directory</code> and <code>destination_file</code> with <code>destionation_directory</code>. | ||
== File permissions == <!--T:15--> | == File permissions == <!--T:15--> | ||
UNIX systems support 3 types of permissions : read (<code>r</code>), write (< | UNIX systems support 3 types of permissions : read (<code>r</code>), write (<code>w</code>) and execute (<code>x</code>). For files, a file should be readable to be read, writable to be modified, and executable to be run (if it's a binary executable or a script). For a directory, read permissions are necessary to list its contents, write permissions enable modification (adding or removing a file) and execute permissions enable changing to it. | ||
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