UNIX. Unix is an operating system developed at Bell Labs in 1969. Like all operating systems, unix manages the resources of the computer and provides an interface for users to access system functions.
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Hardware & peripherals
Ints and Error
cp fname othername
cp fname /dev/lp
$ pwd show present working directory
$ cd /usr/higgins/courses/csci311 change to directory specified
$ ls /usr/higgins/courses/csci201 list directory contents
$cat classlist show file contents on terminal
$ mv classlist students
mv can similarly be used to rename a directory
ls- l means list long, and gives more details about files in the directory.
ln is used to create additional links (not additional copies) of a file
$ ln students classlist
cp makes a duplicate file
$cp classlist list
mkdir creates a new directory
$ mkdir /usr/higgins/courses/csci116
$ rm list
rm can be used to delete directories and their contents also if you use
$ rm –r /usr/higgins/courses
rmdir can be used to remove (delete) empty directories.