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Shell Access (SSH) To access your College of Engineering account from a location off campus, just follow these easy steps: Open the PuTTY SSH client.  I...

Short answer: Use 'screen'. UNIX screen Tutorial Have you even been performing a time-consuming operation on a remote server through SSH and yo...

Basic Commands copy cp move mv rename mv directory listing ls change directory cd create directory mkdir show current...

If you use the bash command shell, you may make a modification to your environment that will prohibit core files from using up disk space in your directorie...

You can use the ls command to list files in the current directory.  However, the ls command and its derivatives will ignore "dot-files," which are...

You can see the existing permissions by using the ls command, and you can change them by using the chmod command--like this:  If you type: ls -alg you get ...

Suppose you have a filename with spaces or special characters, such as:  -rw-r--r--  1 someuser student     273 Apr  9 18:45 My Filename With Spaces -rw-r...

On UNIX systems, when you type a command, the shell looks through a list of possible command locations to figure out what program it should run.  This list i...

renice is the command used to alter the priority of a running process.  The processes to be affected are specified by their process IDs.  Example:  renice...

Try using an absolute path to call up the chmod command to reset the permissions:  /usr/bin/chmod u+rwx ~ This command will restore the read/write/execu...