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Difference between revisions of "Linux-Commands"
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===Keyboard shortcuts=== | ===Keyboard shortcuts=== | ||
− | Alt+Ctrl+T - open Terminal Window | + | '''Alt+Ctrl+T''' - open Terminal Window |
− | Alt+Ctrl+L - lock the screen | + | '''Alt+Ctrl+L''' - lock the screen |
− | Alt+Ctrl+Del - logoff | + | '''Alt+Ctrl+Del''' - logoff |
− | Alt+F4 - close current window | + | '''Alt+F4''' - close current window |
− | Alt+F2 - pop up command window (for quickly running commands) | + | '''Alt+F2''' - pop up command window (for quickly running commands) |
− | Super-W - show all windows in the current workspace | + | '''Super-W''' - show all windows in the current workspace |
− | Ctrl+Super+D - show desktop | + | '''Ctrl+Super+D''' - show desktop |
− | Ctrl+A - select all items on list or text | + | '''Ctrl+A''' - select all items on list or text |
− | Ctrl+C - copy all selected items to clipboard | + | '''Ctrl+C''' - copy all selected items to clipboard |
− | Ctrl+X - cut all selected items to clipboard | + | '''Ctrl+X''' - cut all selected items to clipboard |
− | Ctrl+V or Mouse middle button click - paste all selected items to clipboard | + | '''Ctrl+V''' or '''Mouse middle button click''' - paste all selected items to clipboard |
− | PrintScr - takes screenshot | + | '''PrintScr''' - takes screenshot |
− | Alt+PrintScr - takes screenshot of windows | + | '''Alt+PrintScr''' - takes screenshot of windows |
− | Shift+PrintScr - takes screenshot of selected window area | + | '''Shift+PrintScr''' - takes screenshot of selected window area |
Revision as of 08:21, 31 March 2014
Contents
System Commands
$ uname –a - display linux system information $ uname –r - display kernel release information $ uptime - show how long system running + load $ hostname - show system host name $ hostname -i - display the IP address of the host $ last reboot - show system reboot history $ date - show the current date and time $ cal - show this month calendar $ w - display who is online $ whoami - who you are logged in as $ finger user - display information about user
$ dmesg - detected hardware and boot messages $ cat /proc/cpuinfo - CPU model $ cat /proc/meminfo - hardware memory $ cat /proc/interrupts - lists the number of interrupts per CPU per I/O device $ lshw - displays information on hardware configuration of the system $ lsblk - displays block device related information in Linux $ free -m - used and free memory (-m for MB) $ lspci -tv - show PCI devices $ lsusb -tv - show USB devices $ lshal - show a list of all devices with their properties $ dmidecode - show hardware info from the BIOS $ hdparm -i /dev/sda -show info about disk sda $ hdparm -tT /dev/sda - do a read speed test on disk sda $ badblocks -s /dev/sda - test for unreadable blocks on disk sda
Statistics and Analyze
Users
File Commands
Process Related
File Permission Related
Network
Compression / Archives
Install Package
Search
Login (ssh and telnet)
File transfer
Disk Usage
Directory
Keyboard shortcuts
Alt+Ctrl+T - open Terminal Window
Alt+Ctrl+L - lock the screen Alt+Ctrl+Del - logoff
Alt+F4 - close current window Alt+F2 - pop up command window (for quickly running commands)
Super-W - show all windows in the current workspace Ctrl+Super+D - show desktop
Ctrl+A - select all items on list or text Ctrl+C - copy all selected items to clipboard Ctrl+X - cut all selected items to clipboard Ctrl+V or Mouse middle button click - paste all selected items to clipboard
PrintScr - takes screenshot Alt+PrintScr - takes screenshot of windows Shift+PrintScr - takes screenshot of selected window area