Basic Linux Commands For Beginnners
Directory Commands
| Commands | Operation |
|---|---|
|
Create directory named abc
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Create directory if it does not exist
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Create all directories and subdirectories if they do not exist
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Show the current directory
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Change to directory abc
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Change to the parent directory
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Change to the sibling directory xyz
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Change back to previous directory
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List files in directory
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List files, including dot-files, with extra info
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List files in reverse size order; w/friendly size
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File Operations
| Commands | Operation |
|---|---|
|
update file last modified date; create file if not exists
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output contents of file
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paged output contents of file
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copy file1 to file2
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mv file1 to file2
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delete file
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show the first 5 lines of file
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show the last 5 lines of file
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show the last few lines of the file and follow output
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Shell Shortcuts
| Commands | Operation |
|---|---|
|
Stop the current command
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Go to start of line
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Go to end of line
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Search command history
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Clear the screen
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Run last command
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Run last command that starts with abc
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Simple Regular Expressions
| Commands | Operation |
|---|---|
|
match any character once
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match the preceding character 0 or more times
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match the preceding character 1 or more times
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match the preceding character 0 or 1 time
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group patterns
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match the pattern on the left OR right
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match the start of the line
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match the end of the line
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Shell Variables
| Commands | Operation |
|---|---|
|
Show all environment variables
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Show a specific environment variables
|
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Create a local variable
|
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Create a variable accessible by child processes
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Used node.js code; expects value to be production or anything else
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Home directory
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Great post Sudip sir ?❤️?
Dhanyabaad Bibek sir ?