Topics
Security
Data formats
Text
Linux and network
Encoding and conversion
Where to start
First steps
15 stages · From system basics and command input to navigation, files, text, and pipelines.
Track map 11 tracks · 123 stages
Difficulty
New labs
Sections 183 articles
Command index 432
Popular
Bash: text processing and scripts
Read the output
$ ls -l ~/tools/logs-clean -rwxr-xr-x 1 student student 120 Oct 20 10:00 /home/student/tools/logs-clean $ logs-clean logs-clean: command not found
chmod u+x ~/tools/logs-clean
#!/bin/bash