Basic Linux Command for System Administrators

In this tutorial, we will describe the basic Linux commands used by a System Administrator in his day-to-day activities.

# man

man command in linux is used to check the manual of the command.

# ls

 ls command in linux is used to list contents of a directory. The -l option enables long listing format as shown below:

You can also type ls -l in short as ll and both shows same output as shown below:

# cat

cat (short for “concatenate“) command in linux  is one of the most frequently used command in Linux/Unix like operating systems. cat command allows us to create single or multiple files, view contain of file, concatenate files and redirect output in terminal or files.

Safi Ahmed Choudhury

Safi Ahmed Choudhury

Safi is the founder and chief editor of ZoomTutorials Blog, a leading tutorials and technology blogging site specializing in DevOps, SysAdmin and Cloud Technologies to help IT professionals in their day to day work. He is a Senior Cloud and DevOps Solutions Engineer at a leading eCommerce development Company and has more than 8 years of SysAdmin experience working with Fortune 500 companies to solve their most important IT backbones. Safi lives in Hyderabad with his wife and a son.

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