Command Line Interface for Beginners

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Presentation transcript:

Command Line Interface for Beginners GNU/Linux Command Line Interface for Beginners By: - Ahmed El-Mekkawy AKA linuxawy - Mohammed El-Sayed AKA Broken Arrow

File System Hierarchy: / /bin /boot /etc /home /var /lib , /lib64 /sbin /proc /dev /mnt , /media /root /tmp

Navigation: ls : list directory contents. cd : change directory. pwd : print name of current/working directory. tree : draws the file system tree.

Getting Help: man : an interface to the on-line reference manuals --help : a parameter to (almost) any command to provide basic help whatis : display a one-line description for the command.

Managing files and directories: mkdir : make new directories. touch : create an empty file. rm (-rf) : remove files or directories cp (-arf) : copy files and directories. mv : move (rename) files.

Dealing with file contents: cat : print files on the standard output. file : determine file type. head : output the first part of files. tail : output the last part of files. grep : get a text from a file. less : view a text file.

System Information: free : Display amount of free and used memory in the system. date : print or set the system date and time. uptime : Tell how long the system has been running. df (-h) : report file system disk space usage. du (-sh) : estimate file space usage. whoami : print effective userid. apt-get : APT package handling utility - command-line interface. passwd : change user password.

Thank You,, EGLUG Team http://eglug.org