Basic Linux Commands

xkillKills a running program
exit Exits the terminal
reboot Reboots the system
halt Shutsdown the computer
startx Starts xwindows from terminal
man man(command)shows help files
info info(command) shows help files
--help (command)--help shows help files
su Allow you to login as Super User

ls "Lists" the contents of the directory
pwd Displays "present working directory"
cd cd (name) change directory TO:(name)
mkdir mkdir (name) Makes new directory
rmdir rmdir (name) Removes directory
clear Clears the terminal window

date Displays current date and time
cal Displays a calander
uptime Displays time since last reboot
df Displays the disk usage on partitions
du Displays disk usage of directory

id Displays your identification to system
groups Displays groups of current user
ulimit -a Displays users limits
uname Displays name of machine logged into
who Displays "who" is logged on the system
w Similar to "who"

wall Sends message to all logged in users
top Displays cpu processes memory etc
ps Displays current running processes

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RPM's Mandrake and RedHat

Check if installed already
rpm -q

To Install the rpm
rpm -ih

To Update a program using an rpm
rpm -Uvh

Comments

सूनापन

मुद्दत हो गयी उन तन्हायियो को गुजरे , फिर भी इन आँखों में नमी क्यों है ? तोड़ दिया मोहब्बत पर से यकीन मेरा, फिर भी मेरी दुनिया में तेरी कमी क्यों है ? हसरत है क्यों आज भी तेरी चाहत की मुझे, क्यों याद तेरी जेहेन से मिटती नहीं ? जलजला क्यों उमड़ता है ख्वाबो में मेरे, उस आशिकी की आगज़नी क्यों है ? सन्नाटो में भी क्यों सुनता हू तुझे मेरी परछाई से क्यों तू जाती नहीं ? इन डबडबाती आँखों को तलाश तेरी, आज भी कहीं क्यों है ?

How the Python import system works

How the Python import system works From: https://tenthousandmeters.com/blog/python-behind-the-scenes-11-how-the-python-import-system-works/ If you ask me to name the most misunderstood aspect of Python, I will answer without a second thought: the Python import system. Just remember how many times you used relative imports and got something like ImportError: attempted relative import with no known parent package ; or tried to figure out how to structure a project so that all the imports work correctly; or hacked sys.path when you couldn't find a better solution. Every Python programmer experienced something like this, and popular StackOverflow questions, such us Importing files from different folder (1822 votes), Relative imports in Python 3 (1064 votes) and Relative imports for the billionth time (993 votes), are a good indicator of that. The Python import system doesn't just seem complicated – it is complicated. So even though...

What does it mean to “shift testing left”?

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Prince Mishra

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