Displaying Software Version Information

Replace example with non-ICX 7750 example. Note that it also includes module information.
The show version command shows the software version that the stack is running. The last line of the output shows the bootup ID and role for the unit. Output resembles the following example. 

ICX7750-26Q Router# show version
  Copyright (c) Ruckus Networks, Inc. All rights reserved.
    UNIT 2: compiled on Jan 22 2019 at 10:59:04 labeled as SWR08090
      (30097250 bytes) from Primary SWR08090.bin
        SW: Version 08.0.90devT203
      Compressed Primary Boot Code size = 1835520, Version:10.1.15T205 (swz10115b3)
       Compiled on Mon Dec 17 11:02:22 2018
    UNIT 1: compiled on Jan 22 2019 at 10:59:04 labeled as SWR08090
      (30097250 bytes) from Primary SWR08090.bin
        SW: Version 08.0.90devT203
      Compressed Primary Boot Code size = 1835520, Version:10.1.15T205 (swz10115b3)
    UNIT 3: compiled on Jan 22 2019 at 10:59:04 labeled as SWR08090
      (30097250 bytes) from Primary SWR08090.bin
        SW: Version 08.0.90devT203
      Compressed Primary Boot Code size = 1835520, Version:10.1.15T205 (swz10115b3)
 
  HW: Stackable ICX7750-26Q
  Internal USB: Serial #: 40D60C003CF90180
      Vendor: UNIGEN, Total size = 1910 MB
==========================================================================
UNIT 1: SL 1: ICX7750-48XGF 48-port Management Module
      Serial  #:CRH3330M012
      Software Package: ICX7750_L3_SOFT_PACKAGE
      Current License: l3-prem
==========================================================================
UNIT 1: SL 2: ICX7750-QSFP 6-port QSFP 240G Module
==========================================================================
UNIT 1: SL 3: ICX7750-6Q 6-port QSFP 240G Module
==========================================================================
UNIT 2: SL 1: ICX7750-20QXG 20-port Management Module
      Serial  #:CRK2246J01Y
      Software Package: ICX7750_L3_SOFT_PACKAGE
      Current License: l3-prem
      P-ASIC  2: type B850, rev 03  Chip BCM56850_A2
==========================================================================
UNIT 2: SL 2: ICX7750-QSFP 6-port QSFP 240G Module
==========================================================================
UNIT 2: SL 3: ICX7750-6Q 6-port QSFP 240G Module
      Serial  #:CRK2246J010
==========================================================================
UNIT 3: SL 1: ICX7750-20QXG 20-port Management Module
      Serial  #:CRK2234J00J
      Software Package: ICX7750_L3_SOFT_PACKAGE
      Current License: l3-prem
==========================================================================
UNIT 3: SL 2: ICX7750-QSFP 6-port QSFP 240G Module
==========================================================================
UNIT 3: SL 3: ICX7750-6Q 6-port QSFP 240G Module
      Serial  #:4J04N
==========================================================================
1500 MHz Power PC processor (version 8023/0022) 88 MHz bus
8192 KB boot flash memory
2048 MB code flash memory
3840 MB DRAM
STACKID 2  system uptime is 50 minute(s) 6 second(s)
STACKID 1  system uptime is 55 minute(s) 55 second(s)
STACKID 3  system uptime is 10 minute(s) 25 second(s)
The system started at 13:51:45 GMT+00 Tue Jul 27 2004
 
The system : started=warm start   reloaded=by "reload"
My stack unit ID = 2, bootup role = active

The show version unit unit-num command displays the software version running on an individual unit. The command output is similar to the following example. 

ICX7750-26Q Router# show version unit 1
  Copyright (c) Ruckus Networks, Inc. All rights reserved.
    UNIT 1: compiled on Jan 22 2019 at 10:59:04 labeled as SWR08090
      (30097250 bytes) from Primary SWR08090.bin
        SW: Version 08.0.90devT203
      Compressed Primary Boot Code size = 1835520, Version:10.1.15T205 (swz10115b3)
 
==========================================================================
UNIT 1: SL 1: ICX7750-48XGF 48-port Management Module
      Serial  #:CRH3330M012
      Software Package: ICX7750_L3_SOFT_PACKAGE
      Current License: l3-prem
==========================================================================
UNIT 1: SL 2: ICX7750-QSFP 6-port QSFP 240G Module
==========================================================================
UNIT 1: SL 3: ICX7750-6Q 6-port QSFP 240G Module
==========================================================================
STACKID 1  system uptime is 1 hour(s) 4 minute(s) 34 second(s)
Parent topic: Displaying Stack Information