→ Linux Commands → Comece a aprender / Download de MP3 Flashcards

questão		resposta
man começar a aprender		command for help > man grep
ls começar a aprender		List directory contents -l long listing (ls -l),-al (ls -al) Listing With Hidden Files
grep começar a aprender		Find text in a file grep PATTERN [FILE], grep failed auth. log
cd começar a aprender		Change current directory Forward slashes instead of backward, cd /var/log
shutdown sudo shutdown -r 2 começar a aprender		Safely turn off the computer in software sudo shutdown 2 (turn off in 2min), -r restart, -c cancel or ctrl+c
pwd começar a aprender		Displays the current working directory path Useful when changing directories often
passwd começar a aprender		Change a user account password sudo passwd [username]
mv mv SOURCE DEST começar a aprender		Move a file mv first. txt second. txt
cp cp first. txt second. txt começar a aprender		Copy a file cp SOURCE DEST
rm começar a aprender		Remove files or directories Does not remove directories by default, -r (removes directory)
mkdir mkdir DIRECTORY começar a aprender		Make a directory mkdir notes
chmod r=read, w=write, x=execute começar a aprender		Change mode of a file system object chmod mode FILE, chmod 744 script. sh
chown começar a aprender		Change file owner and group sudo chown [OWNER: GROUP] file, sudo chown professor script. sh
iwconfig começar a aprender		View or change wireless network configuration
ifconfig começar a aprender		View or configure a network interface and IP Slowly being replaced by ip (ip address)
ps começar a aprender		View the current processes ps -e \| more (View all processes)
su / sudo começar a aprender		Some command require elevated rights There are some things normal users can’t do
su começar a aprender		Become super user You continue to be that user until you exit
sudo começar a aprender		Execute a command as the super user Only that command executes as the super user
apt-get começar a aprender		Advanced Packaging Tool (Install, update, remove) sudo apt-get install wireshark
vi começar a aprender		Visual mode editor Full screen editing with copy, paste, and more
dd começar a aprender		Backup and restore an entire partition dd if=<source file name> of=<target file name> [Options]
Creating a disk image começar a aprender		dd if=/dev/sda of=/tmp/sda-image. img
Restoring from an image começar a aprender		dd if=/tmp/sda-image. img of=/dev/sda
killall / kill <pid> começar a aprender		Closing programs sudo killall firefox
xkill começar a aprender		Graphical kill kill an app with one click

Linux commands

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