Basic Linux TutorialIntroduction – 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 Linux
Various linux shellsShell is a utility which can be used to execute programs and interact with operating system. You can think of shell as the bridge between users and Operating system. You can interact with operating system by 2 kinds of shells.
- Command line shell – bash, zsh, C-shell etc
- Graphical shell – GNOME, KDE etc
- Bourne shell – sh, bash(default shell program), ksh, zsh, ksh
- C shell – csh
You can use below command to see your shell type.
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