Difference between revisions of "Linux/Unix:Generic"
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;df -P | ;df -P | ||
:Report file-system information in parseble format. | :Report file-system information in parseble format. | ||
Revision as of 14:38, 25 September 2020
- df -P
- Report file-system information in parseble format.
- df -h
- Report file-system information in easy understandable precision (K, M or G when appropriate).
- top
- List process resource usage. By default having the most CPU-intensive process on top. Press > to have it sort on another column. Press 1 to have usage for each CPU apart.
- lscpu
- List CPU information
- free
- Show memory usage
- cat /etc/sysctl.conf|grep swappiness
- Check swappines (the eager the system will swap with). A higher number means more swapping will happen. 0 is not no swapping but minimal swapping.
- uname -a
- Show kernel version
- mountpoint -q <directory>
- Check if <directory> is in use as mountpoint
- chage -l <username>
- Show password aging status
RedHat (RHEL)
- /etc/redhat-release
- Redhat version installed
Bash
- :
- No operation (NOP)