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--- tech_notes:linux_commands [2025-05-24 Sat wk21 15:53] – created baumkp
+++ tech_notes:linux_commands [2025-06-14 Sat wk24 23:13] (current) – [man] baumkp
@@ Line 1: / Line 1: @@
+{{tag>CLI Commands}}
 ======Linux CLI Commands======
+Various Linux CLI (Command Line Interface) Commands with examples and grouped by type
+=====File System=====
+====check file system size====
+===du===
+Estimate file space usage
+  *''du -hd1 /file_path''  lists and summaries directories sizes under /file_path 1 directory deep, where:
+    *''-d'' set the reporting depth flag
+    *''-h'' set human readable format
+  *''du -s /tmp /var'' lists the summary of directories /var and /tmp only, where:
+    * ''-s'' set summaries
+===ncdu===
+ncdu is a 'smart' version of nu.  It needs to be specifically installed, e.g. ''sudo apt install ncdu''.
+  *ncdu
+===df===
+df - report file system space usage
+  * ''df -h'' prints file system and spage usage in human readable format
+===duf===
+duf - disk usage / Free utility, an updated version of df utility.  It needs to be specifically installed, e.g. ''sudo apt install duf''.
+  * ''duf''
+=====Devices=====
+====lshw====
+Command to list hardware configuration parameters.
+  *''sudo lshw -short'' list hardware in short form.
+  *''sudo lshw -c cpu'' lists the cpu hardware, the following device types can be listed
+    *system
+    *bridge
+    *memory
+    *processor
+    *address
+    *storage
+    *disk
+    *tape
+    *bus
+    *network
+    *display
+    *input
+    *printer
+    *multimedia
+    *communication
+    *power
+    *volume
+    *generic
+====man====
+  *''apropos''
+  *''%%man 5 crontab%%'' or ''%%man 'crontab(5)'%%'' will specifically list the man for contab(5)
+  *
+====crontab====
+''sudo crontab -e'' can be used to safely
+=====Networking Specific=====
+<- tech_notes:programs|back ^ tech_notes:index|Start page ^ tech_notes:alpine|next->