| Listing physical volumes | lspv | pvdisplay |
| List partitions in a disk | lspv -l <disk> | fdisk -l <disk> |
| List volume groups | lsvg | vgdisplay |
| Create volume group | mkvg | vgcreate |
| Remove volume group | rmvg | vgremove |
| Add physical volume to volume groups | extendvg | vgextend |
| Remove VG definition | exportvg | vgexport |
| Remove physical volume from volume group | reducevg | vgreduce |
| Import volume groups | importvg | vgimport |
| Activate volume group | varyonvg | vgchange |
| List logical volume | lslv | lvdisplay |
| Create logical volumes | mklv | lvcreate |
| Grow file systems with LV | chfs | resize_reiserfs, resize2fs |
| Shrink file system | - | resize_reiserfs, resize2fs |
| Paging/Swap space | lsps -a | procinfo cat /proc/swaps |
| OS level | oslevel | uname -a |
| Run level | who -r | runlevel |
| Uptime | uptime | uptime |
| Performance monitoring | vmstat, ps, sar | vmstat, ps, sar |
| List installed filesets | lslpp -l | rpm -qa |
| Which fileset a file is in | which_fileset <file_name> | rpm -qf <file_name> |
| Verify installed filesets | lppchk -v | rpm -V <packagename> |
| List files in a fileset/package | - | rpm -ql <package_name> |
| List running kernel modules | genkex | lsmod |
| Insert module | N/A (dynamic) | insmod, modprobe |
| Unload modules | N/A (dynamic) | rmmod, modprobe |
| List memory installed | bootinfo -r | free, procinfo, cat /proc/meminfo |
| Create users | mkuser | useradd |
| Change user details | chuser | usermod , chage |
| Delete users | rmuser | userdel |
| Create group | mkgrp | groupadd |
| Change group details | chgrp | groupmod |
| Delete group | rmgrp | groupdel |
| Install software | installp, smitty installp, rpm, geninstall | rpm -iv, yast -i, yast2 |
| Update software | smitty update_all, installp, rpm, | rpm -Uv, yast2 |
| Remove software | smitty installp, rpm | rpm -e, yast2 |
| IP configuration | smitty tcpip | config-network (Red Hat) Yast2 network (SuSE) |
| IP alias | ifconfig en0 alias<IP> | ifconfig eth0:1<IP> |
| Network interfaces | netstat -ni | ifconfig |
| Network routes | netstat -nr | netstat -nr |
| staticroutes | ODM, /etc/staticroutes&/etc/rc.net | /etc/sysconfig/network (Red Hat) /etc/sysconfig/routes (SuSE) |
| Network options | no -a | sysctl -a |
| Error logs | errpt, alog | syslog, evlog , tail /var/log/messages, dmesg |
| Start daemons | startsrc -s (SRC-controlled subsystems) | rc.svc_name start, chkconfig, /etc/init.d/<svc_name> start |
| Stop daemons | stopsrc -s | rc.svc_name stop, chkconfig, /etc/init.d/svc_name stop |
| Refresh daemons | refresh -p | rc.svc_name restart, /etc/init.d/svc_name restart |
| Shutdown halt | shutdown -h | shutdown -h |
| Fast reboot | shutdown -Fr | shutdown -r now |
| System dump | sysdumpdev -l | N/A |
| Kernel tuning | vmo (virtual memory - was vmtune) schedo (scheduler tuning - was schedtune) no (network options) | sysctl (for all) |
| Change kernel | Change symlink in /usr/lib/boot/unix_mp | Change in /etc/yaboot.conf |
| PAM authentication | /etc/pam.conf | /etc/pam.d/* |
| Boot image | bosboot | ybin (Red Hat) lilo (SuSE) |
| Change bootlist | bootlist | N/A |
| System boot messages | alog | dmesg |
