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Next: Command description Up: Linux Tutorial Previous: The Essentials

The Basics

cd
"Change Directory". Change to a different directory level.

e.g. cd /bin change to the directory bin

chmod
"CHange MODe". Sets read/write permission for files/directories.

e.g. chmod +xrw insert grant executable, read and write permissions to the insert file

cp
"CoPy". Copy files.

e.g. cp insert /bin copy the file insert to the bin directory

- ln
  Makes a LiNk to a file.
e.g. ln -s /usr/insert /bin/insert create a symbolic link from the file insert in the directory usr to the directory bin
- ls
  "LiSt". Displays a directory listing.
e.g. ls -l /bin/i* shows all the files and their size starting with i in the bin directory
- man
  "MANual". Displays detailed information about a Linux command.
e.g. man insert provides information about the command insert
- mkdir
  "MaKe DIRectory". Creates a file directory.
e.g. mkdir /bin/insertion create the subdirectory insertion below the directory bin
- pwd
  Returns working directory name.
mv
"MoVe". Move files.
e.g mv insert /bin/insertion cut and paste the insert command onto the insertion subdirectory

rm
"ReMove file". Deletes files and directories.
e.g. rm -r /bin/insert delete all the files including the insert subdirectory

rmdir
"ReMove DIRectory". Deletes the specified directory from the server.

Next: Command description Up: Linux Tutorial Previous: The Essentials