File Handling
Checking Files Before Using Them FILE="config.yaml" if [ -f "$FILE" ]; then echo "Exists and is a regular file" fi [ …
Jan 20, 2026
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Files
4 articles
Linux File Types
What Are Linux File Types? Linux recognizes seven file types, all visible through the first character of ls -l’s permission string. …
Jan 20, 2026
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Files & Directories
What Is a File, Really? On Linux, a filename is just a pointer (a directory entry) to an inode — a data structure holding the file’s …
Jan 20, 2026
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File & Directory Commands
Navigation pwd # print current working directory cd /var/log # change directory cd - # go back to previous directory cd ~ # go to home …
Jan 20, 2026
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