- gpdf <filename> will display pdf files
- df -h displays mounted devices
- tar -gzcf <filename> <source directory> will tar, zip, and compress files
- top displays processes
- dmesg prints an info log about devices (dmesg -c to clear)
- ln -s <target_dir> <link> creates a symbolic link named link which points to target_dir
- unlink <linkname> will remove the link but not the files in the folder it points to
- pwd prints the present working directory path
- type $SHELL to determine what shell you are using
- find dir -name <filename> finds files named <filename> in dir
- find dir -type f lists just the files in a directory
- find dir -type d lists just the folders in a directory
- use gnome-session to display most of the desktop of a remote machine
- -h switch prints listing and others files size in a human readable format (ex. 150KB)
- ssh -AX user@ip_or_hostname will create an ssh connection with the ability to pop back the display of applications and also forward the agent along
- scp fromUser@fromHost:fromPath toUser@toHost:toPath securely copies files, leave off info to assume current user, current host, or current directory
- alias ll='ls -l' sets ll as a shortcut for the command sequence ls -l
- cp -rfL source dest copies files from source to destination and also copies the file objects to which symlinks point and not just the symlinks
- g++ -o main main.cpp 2> errs.txt will redirect standard error to a text file
- nm <sharedlibrary> | more will print all the members of a shared library to standard output
- ps -e will list all processes
- tar -xvzf <tar archive> will extract and unzip the tar archive verbosely
- bzip2 -d <zipped file> will unzip a bz2 file
- gunzip <zipped file> will unzip a gz file
- unzip <zipped file> will unzip a zip file
- psrinfo -v will give info about the cpu
- prtconf | grep Memory will give information about the memory
- isainfo -v will give info about the processor
- uname -r will give the OS version
- volcheck looks for connected devices (ie. USB, cdrom, etc)
- iostat -En lists all connected devices
- ggv <filepath> will display the pdf file located at filepath
- xpdf <filepath> will display the pdf file located at filepath
- Pressing <stop>+A will open the boot prom
- fbconfig will display the screen settings
- identify -verbose <image file> will display the info for an image file