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GNU/Linux terminal commands
Usual commands.
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man
Offers information about commands or files.What manual page do you want?
For example, try 'man man'.
man man
Information about command man,man rm
about command rm,man fstab
about file /etc/fstab.cd name
Changes the current directory. Example:cd /home/
Changes the current directory to /home/.ls
ls /usr/bin/
Displays a list with files from the current directory, or from another directory.rm name
rm -rf /var/www/html/
Deletes a file or a directory.touch name
Creates file name.mkdir name
Creates directory name.rmdir name
Deletes empty directory name.chmod 755 name
Changes permisions for access/writing/execution of file name; 755 - executable file; 644 - file can not be executed.cp name1 name2
cp -Rv /mnt/cdrom/games /home/myname/
Copies file or directory name1 in name2.mv name1 name2
Moves file or directory name1 in name2. Works like cp, but the initial file or directory disappears.mount name1 name2
Mounts a file system for accessing. Examples:mount /dev/sda1 /usbfs
Directory /usbfs must be created first.mount /media/cdrom
File /etc/fstab must specify the file system associated with /media/cdrom.umount name
Unmounts a file system.grep text name
Searching for a series of characters in file name.grep -ri text *
Searching for text in all present files, recursively (-r) and without considering large or small letters (-i).find name -name *text*
Search in the directory name, for files which contain text in their name.tar -cf name.tar name
Store files from the directory name in archive name.tar.tar -xvf name.tar
Extract the files from the archive.gzip name.tar
gzip -dv name.tar.gz
bzip2 name.tar
bzip2 -dv name.tar.gz
Compression and extraction of archives.ln -s /dev/cdrom1 /dev/dvd
ln -s /usr/local/lib/... /usr/lib/...
Creating a symbolic link between files. Useful for the case in which an executable file doesn't find the library files where it searches them.chown -R user directory
chgrp -R group directory
Changing the user or group of a directory. Might need su first.cat name
cat name >> file
Displaying the contents of a file in the terminal or saving it into a file.ps -A|more
List all the processes that function.kill -9 #
killall -9 name
Finish process with number # or processes with name name.