Update job-features.md

docs.it4i/job-features.md

 # Job Features
 
 Special features installed/configured on the fly on allocated nodes, features are requested in PBS job.
+
 ```console
-qsub... -l feature=req
+$ qsub... -l feature=req
 ```
 
 ## VTune Support
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 Load VTune kernel modules.
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 ```console
-qsub ... -l vtune=version_string
+$ qsub ... -l vtune=version_string
 ```
 version_string is VTune version e.g. 2017_update2
 
 ## MIC Development Support
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 Install development packages (gcc, g++, make, automake, autoconf, bison, flex, perl, libraries, ...) on MIC accelerators.
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 ```console
-qsub ... -l mic_devel=true
+$ qsub ... -l mic_devel=true
 ```
 Available on Salomon Perrin nodes.
 
 ## Global RAM Disk
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 Create global shared file system consisting of RAM disks of allocated nodes. File-system is mounted on /mnt/global_ramdisk.
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 ```console
-qsub ... -l global_ramdisk=true
+$ qsub ... -l global_ramdisk=true
 ```
 Available on Salomon nodes.
 
 ## Virtualization Network
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 Configure network for virtualization, create interconnect for fast communication between node (host) and virtual machine (guest).
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 ```console
-qsub ... -l virt_network=true
+$ qsub ... -l virt_network=true
 ```
 [See Tap Interconnect](/anselm/software/virtualization/#tap-interconnect)
 
 ## x86 Adapt Support
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 Load kernel module, that allows changing/toggling system parameters stored in MSR and PCI registers of x86 processors.
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 ```console
-qsub ... -l x86_adapt=true
+$ qsub ... -l x86_adapt=true
 ```
 Hazardous, it causes CPU frequency disruption.
 
 Available on Salomon nodes.
 
 ## Disabling Intel Turbo Boost on CPU
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 Intel Turbo Boost on CPU is enabled on all all compute nodes.
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 To disable Intel Turbo Boost on CPU
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 ```console
-qsub ... -l cpu_turbo_boost=false
+$ qsub ... -l cpu_turbo_boost=false
 ```
 
 ## Offlining CPU Cores
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 Not available.
 
 To offline N CPU cores
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 ```console
-qsub ... -l cpu_offline_cores=N
+$ qsub ... -l cpu_offline_cores=N
 ```
 
 To offline CPU cores according pattern
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 ```console
-qsub ... -l cpu_offline_cores=PATTERN
+$ qsub ... -l cpu_offline_cores=PATTERN
 ```
 where pattern is list of core's numbers to offline separated by character 'c' e.g. "5c11c16c23c"
 
 Hazardous, it causes Lustre threads disruption.
 
 ## Setting Intel Hyper Threading on CPU
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 Not available, requires changed BIOS settings.
 
 Intel Hyper Threading is disabled by default.
 
 To enable Intel Hyper Threading on allocated nodes CPUs
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 ```console
-qsub ... -l cpu_hyper_threading=true
+$ qsub ... -l cpu_hyper_threading=true
 ```
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