Linux · Linux Essentials

Linux Command Line Basics

Core Linux shell commands for file navigation, permissions, and text processing, one command per card.

41 cards · basic cards · AI-written, checked twice. Edit anything.

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What command displays your current working directory?
pwd
How do you change to your home directory?
cd ~ or cd
What command changes the current directory?
cd [path]
How do you return to the previous directory?
cd -
What command lists files in the current directory?
ls
How do you list files with full details including permissions and size?
ls -l
How do you list all files including hidden ones?
ls -a
What command searches for files by name?
find [path] -name [pattern]
What command searches a file database for files?
locate [filename]
How do you display the entire contents of a text file?
cat [filename]
What command lets you scroll through a file one page at a time?
less [filename]
What command shows the first 10 lines of a file?
head [filename]
What command shows the last 10 lines of a file?
tail [filename]
How do you search for a text pattern within a file?
grep [pattern] [filename]
How do you search for a pattern across multiple files recursively?
grep -r [pattern] [directory]

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