Basic Linux Tutorial
Introduction – What is it? Why to learn? Linux installation directory structures Boot process Run levels in Linux Desktop Environments Different shells BASH Internal and External Commands Basic Linux Commands Important files and directories in Linux Environmental and Shell Variables Command history in Linux Character classes in Linux Text editors vim nano Searching files Creating new files Viewing File Contents File commands File permissions and ownership WildCards (Globbing) in files File compression Directory commands xargs command in Linux Comparing files Searching patterns using grep command Translating the characters using tr command Extracting data using cut command Stream editing using sed command Data extraction and reporting using awk command Sorting the file or string input uniq command in Linux Difference between grep, tr, cut, sed and awk commands Hardware commands Hard disk and memory space commands Working with Processes Managing Jobs Working with cron jobs Service command in Linux Network commands Managing Users and Groups Other Popular commands Standard streams and Redirection Pipes Package Managers in Linuxdirectory structure in linux
In this section, we will see how the directory structure is organized in Linux operating system. The important directories and their significance are given below.- / – root directory
- /home/ – parent directory of users
- /etc – system configuration files are stored in this directory
- /bin – executable programs like ls, date, time, cat…
- /proc – stores the process related information
- /root – home directory for the root user
- /var – stores dynamic files and data
- /tmp – stores temporary data of system and users
- /opt – stores the files or data for optional or other installed programs on the system
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